The income statement reports profit; the cash flow statement reports actual cash. Those two numbers can disagree by a lot, and the statement of cash flows is built to reconcile them. This walkthrough builds the operating, investing, and financing sections of a cash flow statement using the indirect method — the version that starts with net income and adjusts toward cash. By the end, every line should make sense.
Three Sections, Three Questions
A cash flow statement is organized into three buckets, each answering a different question.
- Operating activities — cash from the day-to-day business: collections from customers, payments to suppliers and employees. Under the indirect method, this section starts with net income and adjusts.
- Investing activities — cash from buying and selling long-term assets: equipment, land, investments in other companies.
- Financing activities — cash from raising and returning capital: issuing or repaying debt, issuing stock, paying dividends.
The three sections sum to the change in cash for the period. Add that change to the beginning cash balance and you should arrive at the ending cash balance shown on the balance sheet. That tie-out is the integrity check.
The Setup: A Small Company's 2025 Numbers
A company called Pinecrest reports:
- Net income: $40,000
- Depreciation expense: $8,000
- Accounts receivable increased from $20,000 to $25,000 (+$5,000)
- Inventory decreased from $30,000 to $26,000 (−$4,000)
- Accounts payable increased from $12,000 to $15,000 (+$3,000)
- Equipment purchased: $20,000 cash
- Long-term debt issued: $10,000
- Dividends paid: $6,000
- Beginning cash: $15,000
The goal: build a cash flow statement that ties to the ending cash balance.
Operating Activities: Net Income to Cash
The indirect method starts with the bottom line of the income statement — net income — and walks back to cash. Two kinds of adjustments are needed:
- Add back non-cash expenses. Depreciation reduced net income but no cash left the business. Add it back.
- Adjust for changes in working capital. Some revenues were recognized but not yet collected; some expenses were recognized but not yet paid. The balance sheet changes tell you which.
The working-capital rules to memorize:
| Account | Change | Effect on cash |
|---|---|---|
| Current asset (e.g. AR, inventory) | Increase | Subtract |
| Current asset | Decrease | Add |
| Current liability (e.g. AP) | Increase | Add |
| Current liability | Decrease | Subtract |
The logic: when accounts receivable goes up, the company sold goods but did not collect the cash yet, so revenue exceeds collections — subtract the difference. When accounts payable goes up, the company bought goods but did not pay yet, so expenses exceed cash paid — add the difference back. Same idea, opposite direction.
Build Pinecrest's operating section:
Net income $40,000
Adjustments:
Depreciation expense 8,000
Increase in accounts receivable (5,000)
Decrease in inventory 4,000
Increase in accounts payable 3,000
Cash from operating activities $50,000The result: $50,000 of operating cash, even though net income was $40,000. Most of the difference is the $8,000 of non-cash depreciation. The working-capital changes net to a small +$2,000. Pinecrest converted income into cash and then some — a healthy signal.
Investing Activities: Long-Term Asset Movements
This section lists cash spent on or received from long-term assets. Pinecrest's only investing transaction is a $20,000 equipment purchase. Cash went out, so it appears as a negative.
Cash from investing activities:
Purchase of equipment (20,000)
Cash used in investing activities ($20,000)A few items would also belong here in a fuller example: sale of equipment (positive), purchase of investments in other companies (negative), proceeds from selling investments (positive). The principle is the same — cash in is a positive, cash out is a negative.
A trap to watch for: depreciation belongs in operating (as the add-back), not investing. Investing only captures cash movements on long-term assets — depreciation is non-cash.
Financing Activities: Capital In and Out
This section captures cash from external capital sources and what the company returned to them. Pinecrest issued $10,000 of debt (cash in) and paid $6,000 of dividends (cash out).
Cash from financing activities:
Issuance of long-term debt 10,000
Dividends paid (6,000)
Cash from financing activities $4,000Stock issuances would also go here (positive), as would debt repayments and stock buybacks (negative). Interest paid is its own debate — under U.S. GAAP it lives in operating activities, not financing — but a fuller analysis would mention it.
Tying It All Together
Sum the three sections to get the change in cash:
Cash from operating activities $50,000
Cash used in investing activities (20,000)
Cash from financing activities 4,000
Net change in cash $34,000
Cash, beginning of year 15,000
Cash, end of year $49,000The $49,000 should match Pinecrest's ending cash balance on the year-end balance sheet. If it does not, something in the working-capital adjustments or the investing/financing lines is mis-classified — that mismatch is exactly what the statement is built to catch.
The story this statement tells is more revealing than the income statement alone. Pinecrest earned $40,000 of net income but generated $50,000 of operating cash, spent $20,000 reinvesting in equipment, and used some of its remaining cash plus new debt to fund a $6,000 dividend. A different company with the same $40,000 of net income but $0 of operating cash flow would be in a very different position.
Getting Help
The three buckets in this statement are worth understanding on their own terms. The classification logic — what goes in operating, what goes in investing, what goes in financing — is the subject of the operating vs. investing vs. financing activities walkthrough. For the underlying entries that produce the income and balance sheet numbers you start with, see recording journal entries.
Conclusion
The statement of cash flows reconciles profit with cash, organized into operating, investing, and financing activities. Under the indirect method, the operating section starts with net income, adds back non-cash expenses, and adjusts for changes in working capital. Investing captures cash spent on or received from long-term assets, and financing captures cash from owners and lenders. The three sections sum to the change in cash, which must tie to the balance sheet — and that tie-out is what proves the statement is built correctly.
