Accounting is the foundation of every finance interview. Whether you're interviewing for investment banking, private equity, or equity research, the first technical questions you'll face test whether you understand how business transactions flow through financial statements.
Here are the 12 accounting questions that appear most frequently, based on real interview data from bulge brackets and elite boutiques. Each includes a quick-check answer and a deeper explanation for follow-ups.
ALWAYS ASKED (Expect These in Every Interview)
1. Walk me through the three financial statements.
30-Second Answer: The income statement shows revenue and expenses over a period, ending with net income. The balance sheet shows assets, liabilities, and equity at a point in time—it must always balance (Assets = Liabilities + Equity). The cash flow statement starts with net income, adjusts for non-cash items and working capital changes, then shows investing and financing activities to arrive at the ending cash balance.
What they're really testing: Can you explain this clearly in under 60 seconds without rambling? Interviewers have heard this answer thousands of times. Clarity and confidence matter more than depth here.
2. How are the three statements linked?
30-Second Answer: Net income flows from the income statement to the top of the cash flow statement and to retained earnings on the balance sheet. The cash flow statement adjusts net income for non-cash charges and working capital changes, then accounts for investing and financing to produce the change in cash—which updates the balance sheet. The balance sheet always balances.
Deep Dive: See our complete walkthrough in How the 3 Financial Statements Are Linked, with the coffee shop example that makes this click permanently.
3. If depreciation increases by $10, walk me through the three statements (assume 40% tax rate).
30-Second Answer:
- Income statement: Pre-tax income down $10, taxes down $4, net income down $6
- Cash flow statement: Net income down $6, but D&A add-back up $10, so cash up $4
- Balance sheet: Cash up $4, PP&E down $10 (accumulated depreciation). Assets down $6. Retained earnings down $6. Balances.
The Insight: The $4 cash increase is the tax shield from depreciation (D&A × tax rate). This concept appears in DCF, LBO, and M&A questions too.
RED FLAG: Don't say "depreciation isn't a real expense." It IS a real expense representing asset wear. It's added back on the cash flow statement because it's non-cash—the cash left when you bought the asset.
4. What is working capital? Walk me through an increase in accounts receivable.
30-Second Answer: Working capital = Current Assets - Current Liabilities. If AR increases by $50, revenue was recognized but cash wasn't collected. On the income statement, revenue is up. On the cash flow statement, the AR increase is a use of cash—subtract $50 from CFO. On the balance sheet, AR is up but cash is down relative to where it would be.
Why this matters: Working capital management is a core operating metric. In LBOs and DCFs, changes in NWC directly affect free cash flow.
Common follow-up: "Is an increase in accounts payable good or bad for cash?"
Good for cash. AP increasing means you owe more to suppliers—cash you haven't spent yet. It's a source of cash on the cash flow statement.
FREQUENTLY ASKED (Appear in Most Interviews)
5. What's the difference between cash-based and accrual accounting?
30-Second Answer: Cash-based accounting records revenue when cash is received and expenses when cash is paid. Accrual accounting records revenue when earned and expenses when incurred, regardless of cash timing. All public companies use accrual accounting under GAAP/IFRS.
Interview trap: "Can a company be profitable but run out of cash?" Yes—this is the fundamental limitation of accrual accounting. You can book revenue without collecting it, making the income statement look strong while cash bleeds out.
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6. Walk me through a $100 inventory write-down.
30-Second Answer:
- Income statement: COGS up $100 (or write-down expense), pre-tax income down $100, taxes down $40, net income down $60
- Cash flow statement: Net income down $60, add back the $100 non-cash write-down, cash up $40
- Balance sheet: Inventory down $100, cash up $40. Assets down $60. Retained earnings down $60. Balances.
The pattern: Notice this follows the exact same structure as depreciation. Any non-cash expense creates a tax shield equal to the expense × tax rate.
7. What is goodwill? How is it created?
30-Second Answer: Goodwill is the premium paid above the fair market value of a company's net identifiable assets in an acquisition. If you buy a company for $500M and its net assets are worth $350M, goodwill is $150M. It sits on the acquirer's balance sheet as an intangible asset.
Key follow-up: "Is goodwill amortized?" Under GAAP, no—it's tested for impairment annually. Under IFRS, it can be amortized. If impaired, it's written down, flowing through the income statement as a non-cash charge.
8. What's the difference between capitalizing and expensing?
30-Second Answer: Expensing hits the income statement immediately—the full cost reduces current-period income. Capitalizing puts the cost on the balance sheet as an asset and expenses it gradually over time through depreciation or amortization. Capitalizing spreads the income statement impact across multiple periods.
Why it matters: This distinction directly affects EBITDA, free cash flow, and valuation multiples. A company that capitalizes more will show higher current earnings but lower future earnings.
SOMETIMES ASKED (Know the Concepts, Expect Follow-Ups)
9. What are deferred tax liabilities and deferred tax assets?
30-Second Answer: A deferred tax liability arises when a company pays less tax now than its income statement suggests (e.g., accelerated depreciation for tax purposes). It will owe more tax in the future. A deferred tax asset is the opposite—the company has overpaid or has future tax deductions (like NOLs) that will reduce future tax payments.
The common example: A company uses straight-line depreciation on its books but accelerated depreciation for tax purposes. Book income is higher than taxable income, creating a DTL.
10. How does issuing stock affect the three statements?
30-Second Answer:
- Income statement: No impact (equity issuances don't flow through P&L)
- Cash flow statement: Cash from financing increases by the issuance proceeds
- Balance sheet: Cash up, shareholders' equity up by the same amount
Follow-up trap: "What about stock-based compensation?" SBC is an expense on the income statement (reduces net income) but it's non-cash, so it's added back on the cash flow statement. It increases shares outstanding, which dilutes EPS.
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11. What's the difference between LIFO and FIFO?
30-Second Answer: FIFO (First In, First Out) assumes the oldest inventory is sold first. LIFO (Last In, First Out) assumes the newest inventory is sold first. In an inflationary environment, LIFO results in higher COGS (newer, more expensive inventory) and lower taxable income. FIFO results in lower COGS and higher reported earnings.
Why banks care: This affects EBITDA comparability across companies. Analysts often adjust for inventory accounting differences when running comps.
12. Walk me through how you'd build a simple 3-statement model.
30-Second Answer: Start with the income statement—project revenue growth, margins, D&A, and interest expense to get net income. Build the balance sheet—project working capital items, PP&E (with CapEx and depreciation), and debt schedules. The cash flow statement bridges the two—start with net income, add back non-cash charges, adjust for working capital, subtract CapEx, and layer in debt and equity activities.
The key: The three statements must be dynamically linked. Changing a revenue assumption should cascade through all three. Interest expense should reference the debt balance on the balance sheet. Cash should be the plug.
The Pattern Behind Every Accounting Question
If you look at these 12 questions, they all test the same core skill: can you trace a transaction through all three statements?
The framework is always:
- What hits the income statement? (Revenue or expense impact)
- Is it cash or non-cash? (Determines the CFS adjustment)
- What changes on the balance sheet? (Assets, liabilities, or equity)
- Does it balance? (Always verify)
Master this framework and you can handle any accounting question they throw at you, even ones you've never seen before.
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Related Reading
- How the 3 Financial Statements Are Linked — The complete walkthrough with examples
- Enterprise Value vs. Equity Value Explained — The next topic they'll test
- 100 Investment Banking Technical Questions — Comprehensive question bank
These 12 questions are from Chapter 1 of our Finance Technical Interview Guide. The full chapter includes additional questions, red flag warnings, interviewer perspective boxes, and self-assessment scorecards. Every question is tagged by interview frequency (Always Asked / Frequently Asked / Sometimes Asked) so you know exactly what to prioritize.