Chapter 33 — Instructor Material
Cash Flow and Working Capital: The Thing That Actually Closes Restaurants Part VII — The Money. Prerequisites: 1, 5, 6, 9, 13, 26, 29, 31, 32. Difficulty: advanced.
Teaching notes
What this chapter is for
Chapter 1 makes a promise — profit is an opinion and cash is a fact; most restaurants that close were, on paper, doing fine two months earlier — and this is where it comes due. If students leave with one thing, it should be the profit-to-cash bridge, because it is the only mechanism in the book that reconciles the two statements a restaurant produces. Everything else here is application.
The chapter is also the emotional low point of the Bellwether project, and that is deliberate. Up to now the plan has been accumulating: a concept, a lease, a menu, a labor model, a break-even. Chapter 33 opens the bank account and finds $8,700 where the plan said $45,000. Students who have been building the plan sympathetically for thirty-two chapters feel this. Let them. Do not rush to reassure — the resolution is Chapter 40's, not yours.
Common misconceptions, in the order they surface
"Cash flow means revenue." The most basic and the most persistent. Students conflate "cash coming in" with "money we have." Kill it in the first ten minutes with the memo lines under Figure 33.6: an ending balance of $42,598 of which $24,855 is actually free.
"We're profitable, so we're fine." The whole chapter, but it survives the reading. The February artifact — $10,694 of profit, $10,954 of cash decline — is the single most effective corrective in the chapter. Put both statements on the board side by side before you explain either.
"Loan payments are an expense." Nearly universal, including among students with accounting coursework. Ask directly: *when you pay $5,792 of debt service, how much of it shows up on the P&L?* Most will say $5,792. The answer is $3,250. Bellwether's $30,500 a year of principal is real money that touches no income statement.
"A negative cash conversion cycle means restaurants can't have cash problems." This one appears among the strongest students, who have met the CCC in a finance course and correctly identified foodservice as a negative-cycle industry. They are right about the cycle and wrong about the conclusion, and walking them from one to the other is the best fifteen minutes in the chapter. §33.2 gives you the three reasons. Case Study 1's account of vendor float unwinding in March 2020 is the proof.
"Stretching payables is a cash-management technique." Students who have worked in restaurants will report having seen it and will describe it neutrally. Reframe it with §33.4's four costs — discounts, price, service, and the option itself — and with the diagnostic: terms are a strategy; stretching is a symptom wearing a strategy's clothes.
"The forecast tells you whether to keep going." Advanced students make this error, and it is the one Case Study 2 exists to correct. A thirteen-week forecast answers when do we run out. It cannot answer should we continue, and an operator who asks it to will get a number that sounds like permission.
The hardest point to teach
That cash can rise while a business dies.
Every instinct in a student says a growing bank balance is good news. Case Study 2's composite shows three consecutive "improving" months — $38,000, $47,000, $71,300 — on a restaurant nine weeks from closing, with every dollar of the improvement coming from gift-card sales and stretched payables. The adjusted position on the best of those months is **negative $18,126**.
The reason this is hard is that it inverts a heuristic students have been using since Chapter 1, and it does not have a formula attached. The teaching move that works: do not present the composition analysis first. Show the three balances, ask the room whether the business is improving, take a vote, and then reveal the four adjustments one at a time. The vote is what makes the lesson stick.
A demonstration idea
Build the forecast live, wrong, and then fix it — forty minutes, no slides.
Put a blank thirteen-column grid on the board. Give the class Bellwether's opening balance ($8,700) and the weekly sales ramp, and build the forecast with the class calling out the lines. Deliberately make three of the four errors from §33.7's "four ways a first forecast lies":
- Put purchases on the order date rather than the payment date.
- Divide labor by thirteen and put an equal amount in every week, instead of disbursing it biweekly.
- Net the sales tax instead of showing it gross with a remittance.
The forecast you get is smooth, comfortable, and shows no trough at all. Write the minimum on the board and circle it.
Then fix the three errors one at a time, re-running the affected weeks. The payroll fix alone produces the sawtooth and puts week 2 at negative $7,442. The room will visibly react — the number does not move gradually, it appears.
Close with the question that carries the chapter: "We just changed no assumption about this business. Same sales, same costs, same everything. Why did the answer change?"
Variant for a shorter session: give students the completed Figure 33.6 and ask a single question — which week would you have been worried about if you were the manager, and in which week would you actually have found out? Almost everyone picks week 9 (the $15,175 lump) or week 13. The answer is week 2, and you would have found out on a Thursday afternoon.
Timing
A full treatment is five to seven hours of student work including the exercises. In a classroom:
| Block | Minutes | Content |
|---|---|---|
| 1 | 30 | §33.1 — the four wedges and the profit-to-cash bridge. Do the annual bridge on the board. |
| 2 | 20 | The reserve: $45,000 → $8,700 → 5.3 days. Let it land. |
| 3 | 35 | §33.2 — the cash conversion cycle, including the negative-cycle paradox. |
| 4 | 25 | §33.3 and §33.4 — working capital, the two sizing methods, terms and float. |
| 5 | 40 | The live forecast demonstration (above). This is the centerpiece; do not compress it. |
| 6 | 30 | §33.5 and §33.6 — the timing calendar and February. Show both February statements side by side. |
| 7 | 20 | §33.8 and §33.9 — instruments, discipline, and the warning-sign table. |
| 8 | 30 | Case Study 2 discussion, or Exercise 33.31 as a costed decision in small groups. |
If you have only ninety minutes: blocks 1, 2, 5, and the February artifact from block 6. Skip the CCC entirely rather than rushing it — a half-taught cash conversion cycle produces the exact misconception it was meant to correct.
Assessment notes
- Exercise 33.20 (a five-line profit-to-cash bridge ending at −$42) is the cleanest single check that the chapter landed. It takes two minutes and separates comprehension from recognition.
- Exercise 33.26(c) — saving $7,400 of opening labor leaves the week-2 balance at negative $42 — is the best discriminator on the exam. Students who understand that a trough must be funded rather than economized will get it; students who have memorized the chapter will not.
- Exercise 33.25 rewards students who notice that the problem omits an entire cost category. Do not tell them in advance. Award credit for spotting it.
- Exercise 33.33 is the Business Plan extension and the best essay prompt in the set. There is no single right ranking; grade the reasoning and, specifically, whether the student names the non-dollar risks. A student who ranks "defer the hearth" highly has missed that it is a concept decision, not a financing decision.
- Watch for arithmetic that does not foot. The chapter's own standard is that every number resolves; hold students to it. A forecast whose columns do not sum is not a forecast.