CFA Level I Exam · Analyzing Income Statements

Income Statement Components and Format for CFA Level 1

Updated 7 October 2026 · Fact-checked

The income statement reports a company's financial performance over a period: revenue, less expenses, plus gains and minus losses, gives net income. Multi-step formats show subtotals such as gross profit and operating profit; single-step formats group all revenues and all expenses. Gross reporting shows full revenue; net reporting shows only the margin.

Understand Income Statement Components and Format

The income statement (also called the statement of profit or loss) shows how a company performed over a period of time. It is a flow statement. The balance sheet, by contrast, is a snapshot at one date.

The core equation is: Revenue − Expenses + Gains − Losses = Net income. Revenue is inflow from ordinary activities, such as selling goods or services. Expenses are outflows or using up of assets in ordinary activities, such as cost of sales, wages and depreciation. Gains and losses come from other transactions that are not part of core operations, such as selling an old machine above or below its carrying amount. They may be reported separately or netted.

The multi-step format shows subtotals. Revenue less cost of sales gives gross profit. Gross profit less operating expenses (selling, general and administrative, research, depreciation) gives operating profit. Then non-operating items (interest income, interest expense, investment gains) lead to profit before tax. Subtracting income tax gives net income from continuing operations. The single-step format adds all revenues and gains in one group, subtracts all expenses and losses in another, and reports one result. It gives no gross profit or operating profit, so analysts must compute these themselves.

Under IFRS, companies may classify expenses by nature (materials, employee costs, depreciation) or by function (cost of sales, administrative, distribution). IFRS requires certain line items, such as revenue, finance costs, tax expense and profit or loss. Presenting a separate operating profit line is common, but IFRS does not mandate how it is defined.

Gross versus net reporting is about the principal-agent question. If a company is the principal (it controls the good or service before transfer to the customer), it reports revenue at the gross amount billed and records the cost as an expense. If it is an agent (it only arranges the sale for a fee or commission), it reports net revenue, meaning only its commission. Net income is the same either way. Revenue, gross margin and any ratio using revenue as the denominator change. Net reporting lifts margins, since the same profit sits on a smaller revenue number.

Key formulas to remember

Basic income statement equation: Net income = Revenue − Expenses + Gains − Losses; Gains and losses are from non-ordinary activities; they may be shown net or gross on separate lines.
Gross profit: Gross profit = Revenue − Cost of goods sold; Appears only in the multi-step format (and in function-based expense presentation).
Operating profit: Operating profit = Gross profit − Operating expenses (SG&A, R&D, depreciation, etc.); Also called EBIT in many analyses, though definitions vary when other income is included.
Profit before tax: Profit before tax = Operating profit + Non-operating income − Interest and other non-operating expenses; Non-operating items include investment income and finance costs.
Net income: Net income = Profit before tax − Income tax expense; Net income from continuing operations; discontinued operations are shown separately after tax.
Gross vs net revenue (agent): Net revenue (agent) = Gross amount billed − Amount passed to the supplier; Net income is unchanged; only revenue and margin ratios change.
Gross profit margin: Gross margin = Gross profit ÷ Revenue; Rises when a firm moves from gross to net presentation of the same sales.

How to solve Income Statement Components and Format questions

Use the same sequence for any question on income statement structure, formats or gross versus net presentation.

1Read the stem and identify what is asked: a subtotal, a format difference, a classification, or a gross versus net effect.
2Classify each item: revenue, expense, gain, loss, operating or non-operating, continuing or discontinued.
3Build the order of the multi-step statement: revenue, gross profit, operating profit, profit before tax, net income.
4Calculate the requested subtotal using only the items that belong above that line.
5For gross versus net questions, decide whether the firm is principal or agent. Principal means gross revenue; agent means net commission.
6Check what changes: net income stays the same, while revenue, margins and ratios using revenue change.
7Compare the three options against your result and eliminate the two that fail a check (wrong subtotal or wrong direction of effect).

Quickest way: Subtotal ladder and principal-agent test

When to use it: Use it for numerical questions asking for gross profit, operating profit or net income, and for conceptual gross versus net questions.

Write the ladder: Revenue → Gross profit → Operating profit → Profit before tax → Net income.
Drop each number onto its rung. Ignore items that belong below the line you need.
For gross versus net, ask one question: does the firm control the item before the customer gets it? Yes means gross; no means net.
Remember that net income never changes with gross versus net presentation.
Pick the option matching your result. Numerical options run smallest to largest, so a quick estimate often removes one option.

Common mistakes in Income Statement Components and Format

Including interest expense or non-operating gains in operating profit.
Students subtract every expense in the list from gross profit without checking its type.
Fix: Stop at operating expenses for operating profit. Treat interest and investment items as below the operating line.
Thinking net reporting lowers net income.
Lower revenue looks like lower profit.
Fix: Net reporting removes the same amount from revenue and from cost. Net income is unchanged; only revenue and margins differ.
Expecting a gross profit line in a single-step statement.
Students assume every income statement shows subtotals.
Fix: Single-step groups all revenues and all expenses. The analyst must calculate gross profit or operating profit if the data allow.
Treating gains and losses as revenue and expenses.
All four affect net income, so they blur together.
Fix: Revenue and expenses come from ordinary activities. Gains and losses come from incidental transactions such as asset disposals.
Assuming gross margin can always be computed.
Students forget that expenses classified by nature do not show cost of sales.
Fix: Check how expenses are presented. If by nature, gross profit is not directly reported.
Assuming IFRS fixes one rigid format.
Students memorize one layout.
Fix: IFRS requires minimum line items but allows judgment on layout and subtotals, and permits presentation by nature or by function.

Worked examples

Example 1

A company reports revenue of €900 million, cost of goods sold of €540 million, selling and administrative expenses of €150 million, depreciation of €60 million, interest expense of €30 million, and a tax rate of 25% on profit before tax. What is net income? (A) €90.00 million (B) €97.50 million (C) €120.00 million

Show the solution

Gross profit = 900 − 540 = €360 million.
Operating profit = 360 − 150 − 60 = €150 million.
Profit before tax = 150 − 30 = €120 million.
Tax = 25% × 120 = €30 million.
Net income = 120 − 30 = €90 million.
Option C (120) is profit before tax, a trap. Option B (97.5) does not match any step.

Answer: (A) €90.00 million

Example 2

An online travel platform books a hotel room for a traveler for USD 400. The platform does not control the room, acts as an agent, and pays the hotel USD 340. Compared with reporting as a principal, reporting as an agent will result in: (A) lower revenue and the same net income (B) lower revenue and lower net income (C) the same revenue and higher net income

Show the solution

As an agent, the platform records only its commission: 400 − 340 = USD 60 as revenue.
As a principal it would record revenue of USD 400 and cost of USD 340, with profit USD 60.
Revenue is lower under agent reporting (60 versus 400).
Profit is USD 60 in both cases, so net income is the same.
Options B and C both claim a change in net income, so they are eliminated.

Answer: (A) lower revenue and the same net income

Exam tips

Questions are three-option and standalone, so first decide the concept (format, classification or gross versus net), then eliminate. A wrong subtotal option is usually an intermediate figure from your own working.
For gross versus net, the safe fact is that net income is identical. Any option saying otherwise is wrong.
Watch for margin direction: net presentation raises margin ratios because revenue shrinks while profit stays the same.
Read each line's position carefully. Items like interest, investment income or discontinued operations sit below operating profit.
Pace at about 90 seconds per question. Subtotal arithmetic is quick, so do not spend extra time on it.

Practice questions from Analyzing Income Statements

Income Statement Components and Format in other exams

The same ground in other exams, if you are preparing for more than one or want another angle on it.

Income Statement Components and Format: frequently asked questions

What is the difference between single-step and multi-step income statements?

A single-step statement totals all revenues and gains, subtracts all expenses and losses, and reports one net result. A multi-step statement shows subtotals such as gross profit and operating profit. The multi-step format makes margin analysis easier.

What is the difference between gross and net revenue reporting?

Gross reporting shows the full amount billed to the customer, with the related cost as an expense. Net reporting shows only the fee or margin kept. A principal reports gross; an agent reports net. Net income is the same under both.

How do I read an income statement for the CFA exam?

Start with revenue, then move down the subtotals: gross profit, operating profit, profit before tax and net income. Check what falls between each pair of lines. Then compare each subtotal to revenue to see margins.

Are gains and losses part of revenue and expenses?

No. Revenue and expenses arise from ordinary activities. Gains and losses arise from incidental transactions, such as selling equipment for more or less than its carrying amount. All four affect net income.