Lecture: The Statement of Cash Flows, Analysis, and the Course Synthesis
Lecture script · about 15–20 minutes spoken · Week 15
Opening
Picture a food truck owner checking the bank app at the end of a busy month. The income statement says the truck earned a profit. The bank balance says money is tight. Both are telling the truth, because earning and having cash happen on different schedules. This lecture is about the statement that explains the gap.
Here's our bicycle shop at the end of Year 2. It earned net income of $69,000. Its cash grew from $22,000 to $71,000, an increase of $49,000. Those are two different numbers, and by the end of this lecture you'll be able to explain every dollar between them.
Let me remind you where we are. In Week 1 you met the four financial statements, and the statement of cash flows was the fourth. In Week 5 you prepared the first three and learned that net income is not cash. In Week 6 you computed gross margin on the shop's first bicycle sale. In Week 11 you depreciated assets and measured a gain on a sale. In Week 14 you recorded the shop's stock issue, its dividend, and its buyback. This week those pieces come together.
Here's the plan. We'll sort cash into three activities, build the operating section by the indirect method, and tie the statement to cash. Then we'll compute four ratios, open a public company's annual report, and read the shop's whole story from its first month to its second year.
1. Three kinds of cash
Think about the cash in your own life. Some of it comes and goes with your daily routine: a paycheck in, groceries out. Some of it goes into big things that last, like a car. And some of it is borrowed and paid back, like a student loan. Those are three different kinds of money, even though it's all cash.
The statement of cash flows sorts a business's cash the same way. Operating activities are the cash effects of running the business day to day, such as collecting from customers and paying suppliers, employees, and rent. Investing activities report cash paid to buy long-lived assets, such as equipment, and cash received from selling them. Financing activities report cash received from and paid to the owners and lenders.
Here's the shop in Year 2, from Dataset L, which is illustrative. It paid $40,000 for new equipment and received $7,000 from selling old equipment. So its net cash used by investing activities was $33,000. On the financing side, you'll recognize three moves from Week 14. The shop issued stock for $45,000, bought treasury stock for $10,000, and paid $7,000 of dividends. It also repaid a $20,000 note payable. Put those together and the shop's net cash provided by financing activities was $8,000.
Pause and try this. The shop paid its owners a $7,000 dividend. Does that cash belong in operating activities or financing activities?
Remember what a dividend is, and who receives it.
Here's the answer. Financing activities. A dividend is a distribution to owners, never an expense, so the cash goes in the same section as the stock the owners bought.
2. Starting from net income
Now the operating section, and here's a puzzle. Imagine a tutoring business that bought laptops last year. This year it records depreciation on them, and that depreciation lowers its net income. But this year, no money leaves the bank for those laptops. The cash left when it bought them. So net income is lower than the cash really suggests.
That's why we need the indirect method. It's a way of reporting operating activities that starts with net income and adjusts it to cash. The first adjustment is depreciation. It was subtracted to reach net income, but no cash left the business, so we add it back.
The shop's Year 2 net income was $69,000, and its depreciation expense was $12,000, so we add back $12,000. The shop also sold equipment at a $2,000 gain. Here's the careful part. The whole $7,000 of cash from that sale already sits in investing activities. The $2,000 gain sits inside net income. If we left it there, we'd count $2,000 of that cash twice. So we subtract the gain. And remember Week 11: a gain is cash received minus book value, so the equipment's book value was $5,000.
I want you to hold on to one warning. Depreciation is not a source of cash. It shows up with a plus sign, but adding it back only undoes a subtraction that used no cash.
Pause and try this. If the shop had recorded more depreciation, would it have had more cash?
Think about where depreciation's cash went, and when.
Here's the answer. No, its cash would be the same. Net income would fall and the add-back would rise by the same amount, so they cancel.
3. The working pieces
Next come the accounts that move every day. Picture a plant nursery that sells shrubs to landscapers on account at the end of its year. The sale is revenue, so it's in net income. But the landscapers haven't paid yet. The cash is still waiting in Accounts Receivable.
So we adjust for current operating assets, the current assets that come from running the business, like Accounts Receivable, Inventory, and Prepaid Insurance. We also adjust for current operating liabilities, the current liabilities that come from running the business, like Accounts Payable. There are three rules to carry. When a current operating asset increases, cash is tied up, so we subtract the increase. When one decreases, cash is freed, so we add the decrease. And when a current operating liability increases, the business hasn't yet paid for something it already expensed, so we add the increase.
Here's the shop. Its accounts receivable rose by $3,000, so we subtract $3,000. Its inventory rose by $5,000, so we subtract $5,000. Its prepaid expenses fell by $1,000, so we add $1,000. Its accounts payable rose by $2,000, so we add $2,000. Now walk the whole section. Start at $69,000. Add $12,000 of depreciation. Subtract the $2,000 gain, the $3,000, and the $5,000. Add the $1,000 and the $2,000. Net cash provided by operating activities is $74,000.
Pause and try this. The shop's accounts receivable went up. Why does that make operating cash lower than net income, not higher?
Ask whether a sale on account brought in any cash yet.
Here's the answer. Because those sales raised net income without bringing in cash. The customers owe the money, so the increase is subtracted.
4. Tying it to cash
Here's what I love about this statement: it checks itself. Think about your bank statement. It starts with a balance, lists what came in and what went out, and ends with a new balance. If the pieces don't add up, something's wrong.
The three sections together give the net increase in cash, the total that equals the change in cash during the period. For the shop, $74,000 from operating, minus $33,000 for investing, plus $8,000 from financing, gives $49,000. Add that to the $22,000 the shop started with, and you reach $71,000. That's exactly the cash on the balance sheet at the end of Year 2. The statement reconciles, so every dollar of the change has an explanation.
Now set three numbers side by side. Net income was $69,000. Operating cash was $74,000. Total cash grew by $49,000. Why do they differ? Because accrual accounting records revenues and expenses when they're earned and incurred, not when cash moves. And investing and financing cash never touch net income at all.
Pause and try this. A friend says, "The shop earned $69,000, so its cash went up by $69,000." What's wrong with that?
Think about the three numbers we lined up.
Here's the answer. Net income isn't cash. The shop's operations brought in $74,000, and its total cash grew by $49,000 after investing and financing.
5. Two balance sheet ratios
Let's turn from cash to analysis. Picture a landlord deciding whether to rent a storefront to a small business. The landlord wonders: can this business pay the bills due this year? And how much of what it owns was bought with borrowed money?
A financial ratio is one amount from the statements divided by another, read in one plain sentence to describe the business, never as good or bad on its own. The current ratio is current assets divided by current liabilities. The shop's current assets are $100,000 and its current liabilities are $40,000, so its current ratio is 2.5. In a sentence: the shop holds $2.50 of current assets for each $1 of current liabilities.
Debt to total assets is total liabilities divided by total assets. The shop's liabilities are $40,000 of current liabilities plus a $20,000 long-term note, so $60,000. Its total assets are those liabilities plus Week 14's $140,000 of stockholders' equity, so $200,000. Divide $60,000 by $200,000 and you get 30 percent. In a sentence: creditors have a claim on 30 percent of the shop's assets.
Pause and try this. At the end of Month 1, the shop's current ratio was about 12.9. Does that mean the shop was in better shape then than in Year 2?
Think about what a brand-new shop was holding in Month 1.
Here's the answer. Not necessarily. The ratio was high because a new shop was holding most of its founders' cash before spending it, and a ratio describes rather than judges.
6. Two margins
Now two ratios from the income side. Think about a stall at a weekend market. For every dollar of books it sells, some cents pay for the books, some pay for the booth, and some are left over. Margins measure those cents.
You met gross margin in Week 6: gross profit divided by sales revenue, the share of each sales dollar left after the cost of the goods sold. The shop's Year 2 net sales were $690,000 and its gross profit was $276,000, so its gross margin was 40 percent. That means its cost of goods sold was $414,000. Profit margin is net income divided by net sales. Divide the shop's $69,000 of net income by $690,000 and you get 10 percent. In a sentence: of each sales dollar, the shop kept 40 cents after the cost of its goods and 10 cents after every expense.
Back in Week 6, the shop's first bicycle sale had a gross margin of 50 percent. A whole year of bicycles, parts, and repairs gives a different figure. Neither is good or bad by itself. And I'll say this plainly: a ratio is never investment advice. It describes what happened; it doesn't tell anyone to buy, sell, or lend.
Pause and try this. Which ratio uses net income on top: gross margin or profit margin?
Ask which one subtracts every expense.
Here's the answer. Profit margin. Gross margin stops after the cost of the goods sold, while profit margin uses net income, after every expense.
7. A real annual report
Here's something you can do on your own, with no login and no fee. Most U.S. public companies file a Form 10‑K, the annual report most U.S. public companies file with the SEC each year, containing their financial statements. And every filed 10‑K is public on EDGAR, the SEC's public website of company filings.
Pick a company whose products you use. Search for it on EDGAR, open a filing marked 10‑K, and scroll to its statement of cash flows. You'll find a heading with the company's name, the statement's title, and the year. You'll find an operating section that starts with net income and adds back depreciation. Then an investing section, a financing section, and the change in cash. It's the same shape as the bicycle shop's, with much bigger numbers.
One limit matters here. This course reads a real filing for its structure only. A real company's numbers are never something the course keys, so every keyed figure comes from the shop's illustrative datasets.
Pause and try this. You open a real 10‑K and see a cash dividend in its financing section. Should you memorize that dollar amount for the quiz?
Think about what this course keys and what it doesn't.
Here's the answer. No, you read it for its placement. The dividend sits in financing, like the shop's, but no real company's figure is keyed.
8. The whole story
Let's finish with the shop's photo album. In Month 1, from Dataset A, it recorded 12 transactions and reached total assets of $33,200. After the six adjustments in Dataset B, its Month 1 net income was $1,400, and it held $17,100 of cash.
Sort that first month's cash. Operating receipts were $5,700: the cycling club's advance, the walk-in repairs, and the delivery company's payment. Operating payments were $6,100: insurance, rent, supplies, and wages. So operations used $400. Buying equipment used $12,000 in investing. The founders' $30,000, less the $500 dividend, gave $29,500 in financing. Together that's $17,100, the whole of Month 1's cash. And the indirect method lands in the same place: start with $1,400, add back $200 of depreciation, and adjust for every new balance, and operations used $400.
Then follow the story forward. The shop began Year 2 with $22,000 of cash. By the end of Year 2 it held $71,000 of cash, $200,000 of total assets, and $140,000 of stockholders' equity.
Pause and try this. In Month 1 the shop earned $1,400 but its operations used $400. Was the shop failing?
Think about the year of insurance it paid for up front.
Here's the answer. No, it was getting started. It prepaid insurance and bought supplies before using them, so cash left ahead of the expenses, while it still earned a profit.
Closing
Let me pull it together. Cash sorts into operating, investing, and financing activities, and a dividend is financing. The indirect method starts with net income, adds back depreciation, subtracts the gain, and adjusts for current operating assets and liabilities, which gave the shop $74,000 from operations. The three sections gave a $49,000 increase, tying $22,000 to $71,000. The current ratio was 2.5, debt to total assets 30 percent, gross margin 40 percent, and profit margin 10 percent, each read as a description. A 10‑K on EDGAR has the same shape, and no real figure is keyed.
Here's the sentence to keep from the whole course. In Month 1 the shop earned $1,400 while its operations used $400 of cash, and in Year 2 it earned $69,000 while its operations provided $74,000, because net income and cash flow measure different things.
Next in this module come the slide deck, the Readings and Resources page, the lecture tutorial, the practice set, the quiz, the discussion, and the assignment. After this week, the cumulative final asks you to read statements like these from every part of the course.
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