3.2 The Income Statement
SLO 2
Interpret the income statement, balance sheet, and statement of cash flows of a small business to assess profitability, liquidity, and solvency, and apply core accounting concepts (accrual vs. cash basis, matching principle, depreciation, materiality)—including why net income and cash position can differ—to explain financial results in plain, non-technical language suitable for a business owner without an accounting background.
You read the income statement line by line here, and you get the two rules -- revenue recognition and matching -- that decide which period a sale or a cost lands in. That is what lets you explain in plain words why a profitable month can still leave the account empty.
Learning Objectives
By the end of this section, you will be able to:
- locate and define the key line items on an income statement;
- explain when a sale becomes revenue and when a cost becomes an expense;
- explain why net income and cash position are not the same number;
- distinguish cash-basis from accrual-basis accounting and describe how each changes reported income.
Section 3.1 laid out what financial statements are and who reads them. This section opens the first one. The income statement is the statement most owners think they already understand, and it is also the one most often misread — usually in the same way, and usually expensively.
3.2.1 What the income statement measures
The income statement is the first of the four statements to be prepared, and everything else in this chapter builds on it.
The income statement is the financial statement that reports an organization's financial performance over a particular period of time. Its contents are a listing of all revenues earned and all expenses incurred by the business during that period.
Every number on an income statement belongs to a stretch of time — a month, a quarter, a year. Ask "over what period?" before you read a single figure. A statement covering four weeks and one covering a year can carry identical-looking numbers and mean completely different things.
Definition 3.2.1 - Income statement: revenue measured against expenses over one period, with net income the difference.
The whole statement collapses into one formula:
$$ \text{Revenue} - \text{Expenses} = \text{Net Income (or Net Loss)} $$That is the entire idea. Money the business earned, minus what it cost to earn it, equals what is left over. Everything else on the page is detail about those two words.
A worked example: Delgado Landscaping
Cristian Delgado is a sole proprietor who started a summer landscaping business on August 1, 2020 — a service business. To keep the example simple, assume he uses his family's tractor and is responsible for fuel and maintenance.
On August 31, Cristian checks the account balance and finds only $250 in the checking account. That is lower than he expected, because he thought some customers had already paid him. Looking into it, he finds he earned $1,400 from customers and paid $100 to fix the tractor's brakes, $50 for fuel, and $1,000 to the insurance company for business insurance.
Lay his August out as an income statement, and state his net income.
Solution
Step 1 — separate what he earned from what he spent. The $1,400 from customers is revenue: he provided landscaping and got paid for it. The brake repair, the fuel, and the insurance are all expenses — costs of being able to do that work.
Step 2 — total each side.
$$ \text{Total expenses} = \$100 + \$50 + \$1,000 = \$1,150 $$Step 3 — apply the formula.
$$ \$1,400 - \$1,150 = \$250 $$Step 4 — write it as a statement.
| DELGADO LANDSCAPING | Month ended Aug 31, 2020 |
|---|---|
| Revenue | $1,400 |
| Total revenue | $1,400 |
| Tractor brake repair | 100 |
| Tractor fuel | 50 |
| Business insurance | 1,000 |
| Total expenses | 1,150 |
| Net income | $250 |
Answer: Net income for August is $250 — which is exactly the amount sitting in his checking account, because in this particular month every sale was collected in cash and every cost was paid in cash. That match is a coincidence of the example, not a rule, and the rest of this section is largely about why.
Cristian's reaction to this statement is exactly the reaction the statement is designed to produce. He notices that most of August's expenses were infrequent — brake repair and insurance — and that the insurance in particular was unusually large. He and his husband, who keeps the books on weekends, conclude September will look better, because they expect new customers and fewer expenses. That is a business decision made from a document, and it is a better decision than "the account only has $250 in it, something is wrong."
The four elements
The income statement is built from four elements. Revenue and expenses are the everyday ones; gains and losses are the occasional ones.
Revenue is the value of goods and services a business provides to its customers. In accounting terms, revenue measures the increase in net assets (assets minus liabilities) created by the sale of goods or services.
Definition 3.2.2 - Revenue: the increase in net assets a delivered sale creates.
Revenue is sometimes labeled Sales or Fees Earned on a statement — same element, different word. For a large company like IBM, revenue comes from the sale and servicing of computers; for Papa John's, it measures the increase in net assets created by selling pizzas. For Cristian, it is the $1,400 of landscaping work.
Expenses are the costs of providing goods and services — decreases in net assets incurred in hopes of generating revenue.
Definition 3.2.3 - Expenses: a certain decrease in net assets, incurred in hopes of a revenue that is not.
Salaries paid to salespeople are an expense. Rent on facilities is an expense, as is money paid for utilities such as electricity, heat, and water. Expenses decrease the value of the business. Note the phrase in hopes of — an expense counts as an expense whether or not the revenue it was chasing ever showed up.
Gains are similar to revenue and losses are similar to expenses, except that they arise outside the ordinary business of selling goods and services — for instance a gain or loss on the sale of a building or a piece of equipment.
Revenue is what the business does for a living. A gain is what happened when it sold the delivery van. Keeping them in separate buckets is what stops a one-time sale from looking like a good year.
Definition 3.2.4 - Gains and losses: they reach net income through the door marked outside the ordinary business.
Gains and losses are infrequent, but it is not unusual for a business to report one. Putting all four elements together, the full formula is:
$$ \text{Revenue} + \text{Gains} - \text{Expenses} - \text{Losses} = \text{Net Income} $$That form holds when revenue and gains exceed expenses and losses. A net loss results when expenses and losses exceed revenue and gains.
Two formats: simple and multi-step
Not every income statement looks the same. A business can choose between two formats, and the choice affects how much a reader can learn from it.
A simple income statement combines all revenues into one category, followed by all expenses, to produce net income. It has very few individual accounts and does not separate cost of sales from operating expenses. Delgado Landscaping above is a simple income statement.
A multi-step income statement lists each revenue and expense account individually under its appropriate category. It separates cost of goods sold from operating expenses and deducts cost of goods sold from net sales to obtain a gross margin; operating expenses are then deducted from gross margin to obtain income from operations.
Definition 3.2.5 - Multi-step income statement: two cuts through one revenue bar, gross margin then income from operations.
Operating expenses are the daily costs of running the shop, not the cost of the product itself. They split in two. Selling expenses cover advertising and marketing; general and administrative expenses cover things like office supplies and depreciation of office equipment. Below income from operations sit the items that have nothing to do with daily operations — interest revenue, interest expense, and gains or losses on asset sales. Subtract those and you arrive at net income.
Comparing the two formats. The table below collects the differences introduced above for quick reference.
| Feature | Simple | Multi-step |
|---|---|---|
| Detail level | All revenue in one line, all expenses in one block | Each account listed under its category |
| Separates cost of goods sold? | No | Yes |
| Shows gross margin? | No | Yes |
| Shows income from operations? | No | Yes |
| Typically better for | External readers — investors and lenders wanting a summary | Internal use and management decision-making |
Companies may choose whichever format suits them, and some use a combination. The practical takeaway for a small business owner: if you sell physical goods, the multi-step format tells you something the simple format hides. It is the only one that shows gross margin, which §3.5 treats as one of the two or three most important numbers a product business has.
Dani Zavala runs a small bakery. Last month they took in $18,000 from customers, spent $6,400 on flour, sugar, and packaging, $5,200 on wages, $1,900 on rent, and $400 on utilities. They also sold an old display cooler for $300 more than the cooler was carried on the books for.
a) Classify each of the six amounts as revenue, expense, gain, or loss.
b) Compute net income.
c) Dani sells a physical product. Would you recommend a simple or a multi-step income statement, and what specifically would they learn from your choice that the other format would hide?
Solution
a) Classification. The $18,000 from customers is revenue — it is what the bakery does for a living. Flour and packaging ($6,400), wages ($5,200), rent ($1,900), and utilities ($400) are all expenses: costs incurred in hopes of generating that revenue. The $300 on the cooler is a gain, not revenue, because selling used equipment is not the bakery's ordinary business.
b) Net income. Use the full four-element formula:
$$ \$18,000 + \$300 - (\$6,400 + \$5,200 + \$1,900 + \$400) = \$18,300 - \$13,900 = \$4,400 $$c) Format. Recommend multi-step. Dani sells goods, so their costs split into two very different kinds: the cost of the product itself (the $6,400 of flour, sugar, and packaging) and the cost of running the shop (wages, rent, utilities). A multi-step statement subtracts the first from revenue to show gross margin — here $18,000 − $6,400 = $11,600 — which answers "does each loaf make money before overhead?" A simple statement lumps all $13,900 together and cannot answer that question at all. Dani could be losing money on every item they sell and still show a positive net income for a month, and the simple format would never show it.
Answer: (a) revenue $18,000; expenses $6,400, $5,200, $1,900, $400; gain $300. (b) Net income $4,400. (c) Multi-step, because only it reports gross margin, which separates product profitability from overhead.
3.2.2 Revenue recognition and expense matching
The income statement covers a period. That immediately raises a question the statement itself cannot answer: which period does a given sale or cost belong to? Two accounting principles decide, and between them they determine most of what appears on any income statement.
The revenue recognition principle
The revenue recognition principle directs a company to recognize revenue in the period in which it is earned. Revenue is not considered earned until a product or service has actually been provided.
Definition 3.2.6 - Revenue recognition principle: revenue pins to the date the work was done, not the date the cash arrived.
The period in which you performed the service or handed over the product is the period in which the revenue is recognized. Critically, there does not have to be any correlation between when cash is collected and when revenue is recognized. A customer may not pay on the day the service was provided. Even though no cash has arrived, if there is a reasonable expectation the customer will pay, the revenue is recognized when the work was done.
Elena Sandoval owns a small printing company, Printing Plus, which she runs with her wife. She completes a print job for a customer on August 10. The customer does not pay that day and is billed instead, paying later in the month. Should Elena recognize the revenue on August 10 or at the later payment date?
Solution
Step 1 — ask when the work was done. The printing was finished on August 10. That is the date Elena satisfied her side of the bargain.
Step 2 — ask whether payment is reasonably expected. The customer was billed in the normal way, and there is no indication the bill will go unpaid. So yes.
Step 3 — apply the principle. Revenue is recognized when it is earned, not when it is collected. Both conditions point to the same date.
Answer: August 10. Elena provided the service that day and there is a reasonable expectation of payment, so August 10 is when the revenue is recognized — regardless of when the check arrives.
For a more formal treatment, the FASB frames revenue recognition around a performance obligation — the performance of services or delivery of goods carried out in return for consideration the company expects to receive. Revenue is recognized through a five-step process:
- Identify the contract with the customer.
- Identify the separate performance obligations in the contract.
- Determine the transaction price.
- Allocate the transaction price to the separate performance obligations.
- Recognize revenue as each performance obligation is satisfied.
A detailed look at each step is beyond an introductory course, but a simple example shows the shape of it.
Mei-Lin Chao runs a landscaping company. She signs a $600 contract with a customer to provide landscaping services for six months. The workload is spread evenly across the six months, and the customer sets up an in-house credit line to be paid in full at the end. How much revenue does her company recognize in month one, and how much cash has it collected by then?
Solution
Step 1 — identify the contract. The signed $600 agreement (step 1 of the FASB process).
Step 2 — identify the performance obligations. Six months of landscaping service (step 2).
Step 3 — determine the transaction price. $600 total (step 3).
Step 4 — allocate the price across the obligations. The work is spread evenly, so each month carries one-sixth of the price (step 4):
$$ \frac{\$600}{6} = \$100 \text{ per month} $$Step 5 — recognize as each obligation is satisfied. At the end of month one she has delivered one month of service, so the company recognizes $100 of revenue (step 5).
Answer: $100 of revenue in month one, and $0 of cash — none is collected until month six. The same $100 is recognized in each of months two through five as well.
Notice what this means for a real business. Six months of profitable work can appear on six monthly income statements while the bank account shows nothing coming in. That is not an error; that is the revenue recognition principle working correctly. It is also the beginning of the answer to why profitable businesses run out of cash, which §3.4 takes up in full.
The expense recognition (matching) principle
The second principle answers the same "which period?" question for the other side of the statement, and it exists for a specific and practical reason.
The expense recognition principle, also called the matching principle, states that expenses must be matched with the associated revenues in the period in which those revenues were earned.
Matching is bookkeeping's version of keeping a receipt with the trip it belongs to. Put April's costs against April's sales and the month tells you something. Let costs land wherever the check happened to clear and the month tells you about your payment habits instead.
Definition 3.2.7 - Matching principle: the cost is recorded against the revenue it earned, not the month the check cleared.
Take Elena again. If she earned printing revenue in April, then any expenses associated with generating that revenue — such as paying the employee who did the work — must be recorded on the same April income statement. The employee worked in April and helped her earn April's revenue, so the expense belongs on April's statement.
The reason for the rule is reliability. A mismatch between expenses and revenues could produce an understated net income in one period and an overstated net income in another. There would be no reliability in the statements at all if expenses were recorded separately from the revenues they generated. A business could look wildly profitable one month and disastrous the next purely because of when bills happened to be paid.
For a small business owner, matching is what makes month-to-month comparison meaningful. If March's costs land in March and March's revenue lands in March, then comparing March to February tells you something about the business.
Rey Solano is a wedding photographer. They shoot a wedding for two grooms on June 28 and are paid the full $3,200 on July 15. They paid their second shooter $400 on June 30 and bought $150 of prints for the couple's album on July 20.
a) In which month is the $3,200 recognized as revenue? Why?
b) In which month does each of the two costs belong, and which principle decides?
c) Rey looks at the June statement and panics because it shows a $400 expense and no income. What have they misunderstood?
Solution
a) Revenue. June. The revenue recognition principle recognizes revenue in the period it is earned — the shoot happened June 28, and payment was reasonably expected. The July 15 payment date is irrelevant to the income statement.
b) The two costs. Both belong in June. The $400 second shooter and the $150 of prints are costs of delivering the June wedding, so the matching principle puts them in the same period as the revenue they helped earn — even though the prints were not bought until July 20.
c) The misunderstanding. They are reading a statement that was prepared incorrectly, or they are reading bank activity and calling it a statement. If the $3,200 were recognized in June along with both costs, June would show $3,200 − $550 = $2,650 of net income. Seeing an expense with no matching revenue is exactly the mismatch the matching principle exists to prevent, and it is the signal to ask when was this recorded and why, not to conclude the month was bad.
Answer: (a) June, when the service was performed. (b) Both in June, by the matching principle. (c) A cost recorded without the revenue it earned makes a good month look like a loss; correctly matched, June shows $2,650 of net income.
3.2.3 Net income versus cash position
This is the single most consequential idea in the chapter, and it is where most owner misreadings of financial statements begin.
Net income is not cash. Net income is determined by comparing revenues and expenses; it is the result of revenues (inflows) being greater than expenses (outflows). A net loss occurs when expenses exceed revenues. When revenues exceed expenses, the business has been successful at earning revenue, containing expenses, or both. When they do not, the business was unsuccessful at one or the other. Businesses work hard to avoid net losses, and while it is not unusual to sustain one from time to time, it is difficult to remain viable through sustained losses over the long term.
But none of that says anything directly about how much money is in the bank.
Return to Delgado Landscaping and change one fact. Suppose the $1,000 insurance payment will be made in September rather than August. Cristian's ending checking balance would then be $1,250 — he earned $1,400 and spent only $100 on brakes and $50 on fuel. His cash looks five times better. His business is identical: the same work was done, the same insurance was purchased, and the same obligation exists. Only the timing of one payment moved.
That gap runs in both directions. The table below collects the common cases.
| Situation | Effect on net income | Effect on cash |
|---|---|---|
| Work performed, customer billed but not yet paying | Increases (revenue recognized) | No change |
| Customer pays an old invoice | No change (revenue was recognized earlier) | Increases |
| Insurance paid in advance for the year | Spread across the periods it covers | Large immediate decrease |
| Equipment purchased for cash | Small (only depreciation) | Large immediate decrease |
| Loan received from a bank | None — a loan is not revenue | Large increase |
The last row deserves emphasis, because it is a common and expensive misunderstanding. Borrowed money increases the bank balance and does not appear anywhere on the income statement, because borrowing is not earning. An owner who judges the business by the bank balance will read a loan as a good month.
Do not over-read the bottom line
The net income figure is eagerly anticipated and carefully analyzed. It is the most discussed number disclosed by virtually any company, reported in newspapers and on television, and it reflects the profitability for the period. In evaluating a business it seems incredibly significant — and it is significant. But the importance of any one balance should never be overemphasized.
A portrait is not judged by the small patch showing the model's ear. Only the whole picture tells you whether it is a good likeness, and only the whole set of financial statements tells you whether a business is sound.
Some creditors and investors look for shortcuts rather than doing the appropriate analysis, and spend an exorbitant amount of time focusing on reported net income. That narrow view reflects a fundamental misunderstanding of financial reporting and of the depth and breadth of information being conveyed. Judging a company's financial health and future prospects requires evaluating the entity as a whole. If a single figure such as net income could be used reliably to evaluate a business, creditors and investors would never incur losses — and they plainly do.
This is why the chapter has three more sections. The income statement answers one question well. It takes the balance sheet and the statement of cash flows to answer the rest.
Marlon Aquino runs a small print shop with his husband. In March he performs $12,000 of work and bills it, collects $9,000 on invoices from February, pays $4,000 of March wages, receives a $25,000 bank loan, and buys a $20,000 press for cash.
a) What happened to the bank balance in March?
b) What is March's net income, ignoring depreciation on the new press?
c) Marlon says "March was our best month ever — look at the account." What is wrong with that reading?
Solution
a) The bank balance. Only cash movements count here: $9,000 collected, plus the $25,000 loan, minus $4,000 of wages, minus $20,000 for the press.
$$ \$9,000 + \$25,000 - \$4,000 - \$20,000 = \$10,000 \text{ increase} $$b) Net income. Only earned revenue and matched expenses count. The $12,000 of work performed in March is March revenue, even though nothing was collected for it. The $9,000 collected was recognized as revenue back in February, so it is not income again. The loan is not revenue at all. The press is an asset purchase, not an expense — only depreciation would hit the statement, and we are told to ignore it. That leaves $12,000 of revenue against $4,000 of wages.
$$ \$12,000 - \$4,000 = \$8,000 \text{ of net income} $$c) The misreading. The $10,000 rise in the account is mostly borrowed money. Strip the $25,000 loan out and the operating cash movement is negative $15,000 for the month. The account went up because he took on a debt the shop must repay with interest, not because the month went well. The month did go reasonably well — $8,000 of net income — but the bank balance is not the evidence for that, and next month the loan is still owed while the $12,000 may still be uncollected.
Answer: (a) up $10,000; (b) $8,000 of net income; (c) the increase is driven by a $25,000 loan, which is not revenue and appears nowhere on the income statement — the balance and the profit are answering different questions.
3.2.4 Accrual basis versus cash basis accounting
Everything in the revenue-recognition discussion above assumed one particular method of accounting. There are two, and which one a business uses changes what its income statement says.
The two bases
Under cash basis accounting, transactions are not recorded in the financial statements until there is an exchange of cash. Cash flows are used to measure business performance in a given period.
Definition 3.2.8 - Cash basis accounting: nothing is recorded until the cash moves, so May's work lands on June's statement.
Under accrual basis accounting, transactions are generally recorded when the transaction occurs rather than when it is paid. Revenues and expenses are recorded in the accounting period in which they were earned or incurred, regardless of when cash receipts or payments occur.
Definition 3.2.9 - Accrual basis accounting: the entry is made when the transaction occurs, so the same tune-up lands on May's statement.
Cash basis can be simpler to track — you record what the bank tells you. Accrual basis takes more judgment, and gives you a truer picture of the period. A short example makes the difference concrete.
Desmond Whitfield runs a one-bay repair shop with his husband. He performs a tune-up on a customer's car on May 29. The customer picks up the car and pays $100 on June 2. In which month does the $100 appear, under each basis?
Solution
Step 1 — cash basis. Nothing is recorded until cash changes hands. Cash arrives June 2, so the $100 is June revenue.
Step 2 — accrual basis. The transaction is recorded when it occurs. He completed the work May 29, so the $100 is May revenue — the June payment just settles a receivable.
Step 3 — lay them side by side.
| Basis | Revenue recognized | Reported in |
|---|---|---|
| Cash basis | June 2, the date of payment | June |
| Accrual basis | May 29, the day the work was completed | May |
Answer: Cash basis puts it in June; accrual basis puts it in May. Same work, same money, two different months — and therefore two different income statements, two different monthly comparisons, and potentially two different decisions.
Why accrual is the standard
Public companies reporting their financial positions use either U.S. GAAP or IFRS, and companies using either — public or private — prepare their financial statements using the rules of accrual accounting. It is because of accrual accounting that the revenue recognition principle and the expense recognition (matching) principle exist at all; on a pure cash basis there would be nothing to match, since everything would simply land when the money moved.
Accrual is held to do two things better. It matches revenues against the expenses that earned them, and it makes one company's statements comparable to another's. That comparability is the point. An outside reader deciding whether to invest or lend needs to weigh your numbers against someone else's, and an owner deciding about performance, budgeting, or growth needs to weigh this quarter against the last one.
Some nonpublic companies may choose cash basis accounting instead. This is permitted for nonprofit entities and for small businesses that elect it, and many very small businesses do.
Two further methods exist that an owner may encounter. Modified accrual accounting merges accrual and cash basis and is commonly used in governmental accounting. Tax basis accounting is used in establishing the tax effects of transactions in determining an organization's tax liability — which is why the income statement your bookkeeper prepares and the income figure on your tax return may legitimately differ.
Why the choice matters to a small business
The choice is not merely technical. It changes reported taxable income and therefore changes what you owe and when.
- Cash basis delays or accelerates revenue and expense reporting until cash actually moves. A business that collects slowly reports less income now; a business that prepays expenses reports the deduction now.
- Accrual basis reports income when it is earned, which can mean owing tax on revenue you have not yet collected.
That last point is the one that surprises owners. Under accrual accounting, a business that completed $50,000 of work in December and gets paid in February has $50,000 of December revenue — and a tax consequence attached to it — with none of the cash in hand.
The practical guidance is the same either way, and it is the theme of this chapter: know which basis your statements are on before you interpret them. An accrual income statement and a cash income statement for the same business in the same month can differ by a great deal, and neither one is wrong. They are answering different questions.
Section 3.3 turns to the statement that answers a different question again — not "how did the period go?" but "where does the business stand right now?"
Robin Hale is a freelance web developer. They finish a $7,500 site on November 20 and are paid on January 8. They also prepaid $2,400 in November for a full year of hosting that runs December through November.
a) Under cash basis, what does their November income statement show? Their January statement?
b) Under accrual basis, in which period does the $7,500 belong, and how is the $2,400 handled?
c) Robin files taxes on the accrual basis. Explain the cash-flow problem they face in April, and one thing they could have done about it.
Solution
a) Cash basis. November shows no revenue from the site — no cash arrived — and a full $2,400 hosting expense, because that cash did go out. Their November therefore reports a $2,400 loss on these two items. January shows $7,500 of revenue and no hosting expense at all.
b) Accrual basis. The $7,500 is November revenue: the site was finished November 20 and payment was reasonably expected. The $2,400 is a prepaid expense, spread across the twelve months of service it buys by the matching principle:
$$ \frac{\$2,400}{12} = \$200 \text{ per month, December through November} $$So November carries $7,500 of revenue and $0 of hosting expense; December through the following November each carry $200.
c) The April problem. Their tax return reports $7,500 of income in the year the work was done, so tax is owed on revenue that did not reach their bank account until January of the next year. If they spent the January payment as it arrived, April's tax bill has no money behind it. What they could have done: set aside a percentage of the $7,500 the moment it was recognized in November rather than when it was collected, or negotiated a deposit so part of the fee arrived with the work. The general habit is to treat recognized revenue, not collected cash, as the thing you reserve against.
Answer: (a) cash basis — November: $2,400 expense, no revenue; January: $7,500 revenue. (b) accrual basis — $7,500 in November, hosting spread at $200/month over the twelve months of service. (c) They owe tax on income earned in one year and collected in the next; reserving against recognized revenue, or taking a deposit, closes the gap.
Problem Set 3.2
Problem 1. State the income statement formula in its two-element form and in its full four-element form. Explain what the two extra elements are and why they are kept separate from the first two.
Solution
Step 1 — State the two-element form: The basic income statement formula is Revenue - Expenses = Net Income. This says a business earns money by selling goods or services and spends money running the business, and what's left over is the profit for the period.
Step 2 — State the four-element form: The full formula is Revenue + Gains - Expenses - Losses = Net Income. Gains and Losses are the two extra elements, and they come from events outside the ordinary business of selling goods or services — for example, selling a piece of equipment for more (a gain) or less (a loss) than it was carried at on the books.
Step 3 — Explain why they're kept separate: Revenue and Expenses show how the core, day-to-day business is performing. Gains and Losses come from one-off or outside-the-ordinary events, so lumping them in with Revenue and Expenses would make the income statement misrepresent how well the actual business is doing.
Answer: Two-element form: Revenue - Expenses = Net Income. Four-element form: Revenue + Gains - Expenses - Losses = Net Income. Gains and Losses are kept separate because they arise outside the ordinary business of selling goods or services, and mixing them with Revenue and Expenses would obscure how the core business is actually performing.
Problem 2. Explain what it means to say the income statement covers a period rather than a date. Give one example of a reading error an owner could make by ignoring the period.
Solution
Step 1 — Explain period vs. date: An income statement covers a span of time — a month, a quarter, a year — not a single instant. It answers "how did the business perform between this date and that date," not "what does the business own right now" (that second question is what a balance sheet, dated at a single point in time, answers).
Step 2 — Give an example of a reading error: Suppose an owner sees "Net Income: $4,000" at the top of a quarterly income statement and reads it as if it were one month's profit, because she's used to thinking in monthly terms. She then assumes the business is earning about $4,000 a month, when the real figure is closer to $1,333 a month. Because she skipped checking the period the statement covers, she overstates monthly profit by roughly three times.
Answer: The income statement reports performance over a stretch of time, not a snapshot at one moment. An owner who ignores the period can misread a quarterly Net Income figure as if it were monthly profit, badly overstating how much the business earns each month.
Problem 3. For each item, state whether it is revenue, an expense, a gain, a loss, or none of these.
a) A bike shop sells a repair service for $85.
b) A bike shop pays $1,100 of monthly rent.
c) A bike shop sells its old delivery van for $500 more than it was carried at.
d) A bike shop borrows $15,000 from a credit union.
e) A bike shop's owner puts $5,000 of personal savings into the business.
Solution
Step 1 — Classify item a: The repair service is what the bike shop is in business to sell, and the customer pays for it. That makes the $85 revenue.
Step 2 — Classify item b: Rent is a cost of running the ordinary business, so the $1,100 is an expense.
Step 3 — Classify item c: Selling the delivery van isn't something the bike shop is in business to do — it ordinarily sells bikes and repairs, not vans. Since the van sold for more than it was carried at, this $500 is a gain.
Step 4 — Classify item d: Borrowing $15,000 creates a liability the shop has to repay. It isn't money earned by selling goods or services, and it didn't come from an outside-the-ordinary sale either, so it is none of these — it never appears on the income statement.
Step 5 — Classify item e: The owner's $5,000 personal contribution increases the owner's equity in the business, but it isn't earned by the business at all. It is none of these and does not appear on the income statement.
Answer: a) Revenue. b) Expense. c) Gain. d) None of these (a loan, not revenue or a gain). e) None of these (an owner's capital contribution, not revenue or a gain).
Problem 4. A consulting firm and a furniture maker each ask which income statement format to use. Recommend one to each, and justify each recommendation in terms of what the format reveals.
Solution
Step 1 — Recommend for the consulting firm: A consulting firm sells its time and expertise, not physical goods, so it has no inventory and no cost of goods sold. The simple income statement is the right fit, because there's no gross margin to calculate and separating out a cost of goods sold section would just add a line that stays empty.
Step 2 — Justify the consulting firm's recommendation: Since all of the consulting firm's costs are operating costs (salaries, office rent, and so on), listing all expenses in one block on a simple statement already shows the full picture — Revenue minus Expenses tells the owner everything the multi-step format would, without the extra structure.
Step 3 — Recommend for the furniture maker: A furniture maker buys materials and pays labor to build a physical product, so it has real cost of goods sold. The multi-step income statement is the right fit here, because it separates cost of goods sold from other operating expenses and shows a gross margin line.
Step 4 — Justify the furniture maker's recommendation: The gross margin line tells the furniture maker how much profit is left after covering what it costs to actually make the furniture, before other operating costs like marketing or rent are subtracted. That's information a simple statement would bury inside one lump expense total, hiding whether the products themselves are priced profitably.
Answer: Recommend the simple income statement to the consulting firm, because it sells services with no cost of goods sold to separate out. Recommend the multi-step income statement to the furniture maker, because it shows gross margin, which reveals whether the furniture itself is priced profitably before other operating costs are considered.
Problem 5. State the revenue recognition principle. A landscaper mows a lawn on the last day of June and is paid in July. Identify the month in which she recognizes the revenue, and name the specific condition that has to hold for that answer.
Solution
Step 1 — State the revenue recognition principle: A business recognizes revenue in the period it is earned — meaning the product or service was actually provided — regardless of when the cash is collected, as long as there is a reasonable expectation of payment.
Step 2 — Apply it to the landscaper: The landscaper actually mows the lawn, providing the service, on the last day of June. That is when the service is earned, even though the cash doesn't arrive until July.
Step 3 — Identify the month and the condition: She recognizes the revenue in June. The specific condition that has to hold is that there is a reasonable expectation the customer will actually pay — if there were serious doubt the customer would pay at all, recognizing the revenue in June wouldn't be justified.
Answer: The landscaper recognizes the revenue in June, the month she performed the service, provided there is a reasonable expectation of collecting payment.
Problem 6. A gym sells a $1,200 annual membership on January 1 and collects the full amount that day. Using the five-step revenue recognition process, explain how much revenue the gym recognizes in January and why the remainder is not yet revenue.
Solution
Step 1 — Identify the contract: The membership agreement the gym sells on January 1 is the contract — the customer pays $1,200 for a year of gym access.
Step 2 — Identify the performance obligation: The gym's obligation is to provide access to the gym for the full 12-month membership period, not just for one day. Providing access is what the gym still owes the customer, month by month.
Step 3 — Determine the transaction price: The transaction price is the $1,200 the customer paid.
Step 4 — Allocate the price to the obligation: Since the obligation is spread evenly across 12 months, the gym allocates the $1,200 evenly across those months:
$$ \frac{\$1,200}{12} = \$100 \text{ per month} $$Step 5 — Recognize revenue as the obligation is satisfied: The gym only recognizes revenue as it actually provides each month of access. In January, it has provided one month of access, so it recognizes $100 of revenue. The remaining $1,100 is not yet revenue because the gym hasn't yet provided the other eleven months of access — until it does, that cash is a liability (an obligation still owed to the member), not earned revenue.
Answer: The gym recognizes $100 of revenue in January. The remaining $1,100 is not yet revenue because the gym has not yet provided the gym access those months represent.
Problem 7. State the matching principle and explain why reliability is the reason for it. Describe what a set of statements would look like if expenses were recorded whenever bills happened to be paid.
Solution
Step 1 — State the matching principle: The matching principle says expenses must be recorded in the same period as the revenue they helped earn, not simply whenever the bill happens to be paid.
Step 2 — Explain why reliability is the reason: If expenses were recorded in whatever period they were paid instead of the period they helped earn revenue in, net income would be understated in the period the expense was paid and overstated in the periods that actually benefited from it. That makes the numbers unreliable, because a reader can no longer trust that a given period's net income reflects that period's real performance.
Step 3 — Describe what pay-as-billed statements would look like: If expenses were recorded only when bills were paid, net income would swing up and down based on payment timing instead of actual business performance. A month where a large annual bill happens to get paid would show artificially low or negative net income, while the months that received the actual benefit of that expense would show artificially high net income. Comparing month to month would become meaningless, because the swings would reflect payment timing rather than how the business actually did.
Answer: The matching principle requires expenses to be recorded in the same period as the revenue they helped earn. Reliability is the reason: without matching, net income would be understated in the period an expense is paid and overstated in the periods that benefited from it, and month-to-month comparisons would become meaningless.
Problem 8. Anjali Raghunathan caters an event in August, pays her staff in August, and bought the serving equipment in July. Explain which of these three costs is matched to August's revenue and which is not, and why.
Solution
Step 1 — Sort the three costs by the period they belong to: Anjali's staff pay happened in August, her serving equipment purchase happened in July, and her catering revenue is earned in August. We line each cost up against the revenue period before deciding whether it belongs there.
Step 2 — Match the staff pay: The staff worked the August event and were paid in August, so their wages are a cost of earning August's revenue. Under the matching principle, this cost is recorded against August's revenue.
Step 3 — Match the equipment: The equipment was bought in July, before the event it helped serve. It is a capital asset, not a one-time expense of the August job, so its full purchase price is not matched to August. Instead, only a small slice of its cost, the depreciation for that period, would be matched to August; the rest stays on the books as an asset to be depreciated over future periods.
Answer: The staff pay is matched to August's revenue because the work and the payment both happened in that period. The equipment's purchase cost is not matched to August; only its depreciation for the period would be, since the equipment itself was bought and belongs to an earlier period.
Problem 9. Explain in your own words why net income and cash position are not the same number. Give two situations where cash rises while net income does not, and one where net income rises while cash does not.
Solution
Step 1 — Name the reason the two numbers diverge: Net income measures whether the business earned more than it spent in a period, based on when revenue is earned and expenses are incurred. Cash position measures how much money is actually sitting in the bank. These are two different measurements of two different things, so they can move independently of each other.
Step 2 — Two cases where cash rises but net income does not: First, collecting a payment on an old receivable brings in cash but the revenue was already recorded back when the sale happened, so net income does not rise again. Second, taking out a bank loan puts cash in the account, but a loan is not revenue, so it never touches the income statement and net income is unaffected.
Step 3 — One case where net income rises but cash does not: A caterer who works an event in August and bills the customer records the revenue right away, so net income rises in August. Cash stays flat until the bill is collected.
Answer: Net income and cash position are not the same number because net income tracks earning activity while cash tracks money actually received or paid. Cash can rise without net income rising when the business collects an old receivable or takes out a loan. Net income can rise without cash rising when work is billed but not yet collected.
Problem 10. An owner reports a record bank balance and concludes it was the best month in the company's history. List three separate things that could produce that balance without the business having performed well.
Solution
Step 1 — Ask what a bank balance actually proves: A bank balance only tells us how much cash is on hand right now. It says nothing about whether that cash came from operating the business well or from some other source.
Step 2 — List the possible non-performance sources of cash: A record balance could come from collecting a large batch of old receivables that were earned months ago, not from new sales. It could come from taking out a bank loan, which puts cash in the account but is not revenue and does not appear on the income statement. It could also come from the owner personally contributing capital into the business, or from selling off an asset the business no longer needs.
Step 3 — Connect each source back to performance: None of these three events reflects how well the business performed this month; they reflect financing decisions, timing of old collections, or asset sales, not new earnings.
Answer: Three things that could produce a record bank balance without strong performance: collecting on old receivables from prior work, taking out a bank loan, and the owner contributing personal capital (or selling an asset). The owner should check the income statement, not just the bank balance, before concluding it was the best month ever.
Problem 11. A retailer completed $40,000 of sales in Q4 and collected $28,000 of it by December 31. Under each basis, state Q4 revenue. Then explain which figure a lender evaluating the business would rather see, and why.
Solution
Step 1 — Apply the cash basis to Q4: Under cash basis, revenue is recorded only when cash actually changes hands. The retailer collected $28,000 by December 31, so Q4 revenue under cash basis is $28,000.
Step 2 — Apply the accrual basis to Q4: Under accrual basis, revenue is recorded when the sale happens, regardless of when the cash comes in. The retailer completed $40,000 of sales in Q4, so Q4 revenue under accrual basis is $40,000, even though $12,000 of it is still sitting in accounts receivable.
Step 3 — Decide what a lender would rather see: A lender is trying to judge the full scope of the business's sales activity and its ability to generate revenue, not just how quickly it happens to collect cash in a given window. GAAP and IFRS both require accrual reporting, so it is also the figure lenders expect and can compare against other businesses. The cash-basis number can make a growing business look weaker than it is, simply because collections lag behind sales.
Answer: Cash-basis Q4 revenue is $28,000; accrual-basis Q4 revenue is $40,000. A lender would rather see the accrual figure, $40,000, because it reflects the full sales activity the business generated in the quarter rather than just the timing of collections.
Problem 12. Explain why the revenue recognition and matching principles exist under accrual accounting but have nothing to do under cash basis accounting.
Solution
Step 1 — Recall what each principle does: Revenue recognition decides which period a sale belongs to, and matching decides which period an expense belongs to, so that revenues and the costs that helped earn them land in the same period on the income statement.
Step 2 — Check whether accrual accounting needs that decision: Under accrual accounting, a transaction is recorded when it happens, not when cash moves. That creates a real question: does this sale belong to this period or a later one, and does this cost belong here or should part of it be spread into future periods? Revenue recognition and matching exist to answer exactly that question.
Step 3 — Check whether cash basis needs that decision: Under cash basis, nothing is recorded until cash actually changes hands. There is no separate question of which period a sale or a cost belongs to, because the cash event and the recording event are the same moment. With nothing to defer and nothing to separate from the cash timing, there is nothing left for revenue recognition or matching to do.
Answer: Revenue recognition and matching exist under accrual accounting because accrual records transactions independent of cash timing, so the business needs rules to decide which period each item belongs to. Cash basis records everything exactly when the money moves, so there is no timing gap to resolve and the two principles have no role to play.
Problem 13. Define modified accrual accounting and tax basis accounting, and state where each is typically used. Then explain why the income figure on a tax return may legitimately differ from the one on the statements a bookkeeper prepared.
Solution
Step 1 — Define modified accrual accounting: Modified accrual accounting blends accrual and cash-basis rules. It is most commonly used in governmental accounting, where agencies track revenues and expenditures against budgets rather than pure profit measurement.
Step 2 — Define tax basis accounting: Tax basis accounting is used to establish the tax effects of a business's transactions when figuring out how much tax it owes. It follows the rules written into the tax code rather than the accrual rules a bookkeeper uses to prepare regular financial statements.
Step 3 — Explain why the two income figures can differ: The tax code allows or requires different timing for certain items than accrual accounting does, for example specific depreciation schedules or rules about when certain expenses can be deducted. Because the tax return follows the tax code's timing and the bookkeeper's statements follow accrual timing, the two income figures can legitimately come out differently even though they describe the same business and the same period.
Answer: Modified accrual accounting is a blend of accrual and cash basis used mainly in governmental accounting. Tax basis accounting is used to determine tax liability under the tax code. A tax return's income figure can legitimately differ from the bookkeeper's statements because the tax code's timing rules are not the same as accrual accounting's rules.
Problem 14. A small business owner is deciding between the two bases for the first year. Write a short recommendation covering: what each basis would do to reported income in a year of rapid growth, the tax timing consequence of each, and what you would need to know about the business before advising either way.
Solution
Step 1 — Weigh rapid growth against each basis: In a year of rapid growth, sales are usually happening faster than customers are paying, so receivables build up. Under cash basis, reported income would lag behind the business's real growth, since revenue only counts once collected, making the business look less profitable than it is. Under accrual basis, reported income would rise in step with sales as they happen, giving a truer picture of how fast the business is actually growing.
Step 2 — Weigh the tax timing consequence: Under cash basis, tax is only owed once the cash is actually collected, which can ease cash flow during a growth year because the tax bill trails the collections. Under accrual basis, the business can owe tax on revenue it has billed but not yet collected, which can strain cash flow if receivables are piling up faster than they are being paid down.
Step 3 — Name what we would still need to know: Before advising either way, we would need to know the business's expected size and whether it will carry inventory, since tax rules restrict who may use cash basis once a business is large or holds inventory. We would also want to know how quickly customers typically pay and whether any lender or investor will require GAAP accrual statements.
Answer: Rapid growth makes accrual basis show income that better tracks the business's real trajectory, while cash basis understates it until collections catch up. Cash basis delays the tax bill until collection; accrual basis can create tax owed on uncollected revenue. Before recommending either basis, we would need to know the business's size, whether it carries inventory, its typical collection speed, and whether any lender or investor expects accrual statements.
Key Terms
income statement — the statement reporting revenues earned and expenses incurred over a period of time.
revenue — the value of goods and services a business provides to customers, measured as the increase in net assets created by the sale.
net assets — assets minus liabilities.
expenses — the costs of providing goods and services, incurred in hopes of generating revenue.
gains — increases arising outside the ordinary business of selling goods and services, such as a profit on selling equipment.
losses — decreases arising outside the ordinary business of selling goods and services.
net income — the amount by which revenue and gains exceed expenses and losses for a period.
net loss — the amount by which expenses and losses exceed revenue and gains for a period.
simple income statement — a format combining all revenues into one category and all expenses into another to produce net income.
multi-step income statement — a format listing each account under its category and separating cost of goods sold from operating expenses.
cost of goods sold — the direct cost of the products a business sold during the period.
gross margin — net sales minus cost of goods sold.
operating expenses — daily operational costs not tied directly to selling the product, split into selling expenses and general and administrative expenses.
income from operations — gross margin minus operating expenses.
revenue recognition principle — the rule that revenue is recognized in the period it is earned, regardless of when cash is collected.
performance obligation — the delivery of goods or services carried out in return for consideration the company expects to receive.
expense recognition (matching) principle — the rule that expenses are recorded in the same period as the revenues they helped earn.
cash basis accounting — a method recording transactions only when cash changes hands.
accrual basis accounting — a method recording transactions when they occur, regardless of when cash moves.
modified accrual accounting — a blend of accrual and cash basis, commonly used in governmental accounting.
tax basis accounting — the method used to establish the tax effects of transactions in determining tax liability.