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CFA Level I · CFA Level I Exam

Analyzing Income Statements for CFA Level I

Analyzing income statements means reading how a company turns revenue into net income and then into earnings per share. You learn the format, revenue and expense recognition, unusual items, EPS, margin ratios and other comprehensive income. Solve questions by finding the line item, applying the rule, then checking the effect on profit.

What this chapter covers

This chapter sits inside Financial Statement Analysis. It teaches you how to read the income statement: what each line contains, when revenue and expenses are recorded, how unusual items are shown, and how profit is turned into per-share figures and ratios. Most questions test a single rule or one short calculation.

The chapter connects to many other areas. Inventory methods and revenue timing feed into the balance sheet and cash flow chapters. EPS links to Equities valuation (P/E) and Corporate Finance. Margins and growth link to ratio analysis and to forecasting in equity valuation. Comprehensive income links to the balance sheet equity section.

Financial reporting follows IFRS unless a question says US GAAP. Know the differences that are commonly tested, such as LIFO being allowed under US GAAP but not under IFRS. The material is a mix of definitions, direction-of-effect logic and simple arithmetic, which suits the three-option format.

Financial Statement Analysis carries a topic weight of 11-14% in the 2027 curriculum, and the income statement is the base for the rest of it. If you are fluent here, later chapters on inventories, long-term assets, taxes and ratios feel easier. The questions are also very winnable: most can be solved in about 90 seconds once you know the rule, and there is no penalty for a wrong answer, so careful elimination always pays.

Analyzing Income Statements: topics in the order to study them

  1. 1Income Statement Components and FormatStart here to learn the vocabulary: revenue, gross profit, operating profit, net income, and the single-step versus multi-step layout.
  2. 2Revenue Recognition (IFRS 15 and ASC 606)Revenue is the top line, so you need the five-step model before you can judge any profit figure.
  3. 3Expense Recognition and Inventory MethodsOnce revenue timing is clear, learn matching, depreciation choices and FIFO, LIFO and weighted average, which change cost of sales and profit.
  4. 4Non-Recurring Items and Discontinued OperationsAfter the normal lines, learn which items to strip out to see sustainable earnings.
  5. 5Earnings per Share (Basic and Diluted)EPS needs net income and share counts, so it comes after profit is fully understood. It is calculation heavy.
  6. 6Common-Size Analysis and Profitability RatiosWith all lines understood, you can express them as percentages of revenue and compare margins across firms.
  7. 7Comprehensive Income and Other Comprehensive IncomeFinish with items that bypass net income, which ties the income statement to equity on the balance sheet.

How to prepare Analyzing Income Statements

Plan about a week of short sessions that fit around work. Mix reading, a few calculations and many practice questions.

  1. Read the format topic once and redraw a multi-step income statement from memory, labelling each subtotal.
  2. Learn the five steps of the revenue model in order, then do small cases on performance obligations and timing.
  3. Practise inventory questions until you can state the effect of rising or falling prices on cost of sales, profit and taxes for each method without calculating.
  4. Build a short list of non-recurring items and how each is presented, then test yourself on whether an item belongs in continuing operations.
  5. Do EPS questions by hand: weighted average shares, preferred dividends, then the if-converted and treasury stock methods for diluted EPS. Use the calculator for the arithmetic.
  6. Compute common-size margins for a sample statement and write one sentence interpreting each change.
  7. Finish with mixed three-option questions under time, about 90 seconds each, and review every wrong answer by naming the rule you missed.

Common mistakes in Analyzing Income Statements

  • Recognising revenue when cash is received

    Fix: Ask whether the performance obligation has been satisfied. Cash timing only creates a receivable or a contract liability.

  • Mixing up the effect of inventory methods in rising and falling prices

    Fix: Remember LIFO sends the latest costs to cost of sales and FIFO the oldest. Then reason from the price direction.

  • Using year-end shares instead of weighted average shares in EPS

    Fix: Weight shares by the portion of the year outstanding, and restate for stock splits and stock dividends as if they occurred at the start.

  • Forgetting to subtract preferred dividends in basic EPS

    Fix: Write the numerator formula before reading the numbers every time.

  • Including antidilutive securities in diluted EPS

    Fix: Include a security only if it lowers EPS. Otherwise leave it out.

  • Treating other comprehensive income as part of net income

    Fix: Remember OCI items bypass net income and EPS. They are reported in comprehensive income and accumulate in a separate component of equity. Some are later reclassified to profit or loss.

Last-day revision: Analyzing Income Statements

  • Gross profit = revenue − cost of sales; operating profit = gross profit − operating expenses.
  • Revenue model steps: identify the contract, identify obligations, set the price, allocate the price, recognise revenue as obligations are satisfied.
  • Under IFRS, revenue is recognised when control transfers, not when cash is received.
  • In rising prices, FIFO gives lower cost of sales and higher profit than LIFO; LIFO is not allowed under IFRS.
  • Weighted average cost falls between FIFO and LIFO results.
  • Discontinued operations are shown separately, net of tax, below continuing operations.
  • Basic EPS = (net income − preferred dividends) ÷ weighted average ordinary shares.
  • Diluted EPS includes the effect of convertibles, options and warrants only when they are dilutive (reduce EPS); antidilutive securities are excluded.
  • Treasury stock method: assumed proceeds from exercise buy back shares at the average market price.
  • Gross margin = gross profit ÷ revenue; net margin = net income ÷ revenue.
  • Common-size income statements express every line as a percentage of revenue.
  • Comprehensive income = net income + other comprehensive income.

Analyzing Income Statements practice questions

Analyzing Income Statements in other exams

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

Analyzing Income Statements: frequently asked questions

How much of the CFA Level I exam does this chapter cover?

It sits within Financial Statement Analysis, which has a weight of 11-14% in the 2027 curriculum. The weight is for the whole topic, not just this chapter. Income statement concepts also support questions in other topics, so they pay off beyond this chapter.

Do I need to know both IFRS and US GAAP?

Questions are based on IFRS unless a question says US GAAP. Learn the main differences that are flagged in the curriculum, such as LIFO being permitted only under US GAAP. Focus first on IFRS rules.

Which part of this chapter needs the calculator?

Mainly EPS, margins and inventory cost of sales. Use the TI BA II Plus or HP 12C for arithmetic, but write the formula first. Most errors come from the setup, not the keystrokes.

What is the best way to practise this chapter?

Work through short three-option questions and, after each one, state the rule that decided the answer. Time yourself at about 90 seconds per question. Keep a log of the rules you miss and revisit it before the exam.