Chapter 17 — Teaching Notes
What this chapter is doing
Chapter 17 opens Part IV, and its job is to convert hiring from an administrative chore into a financial discipline. The whole chapter hangs on §17.1: until turnover has a dollar figure, no student — and no operator — will invest in preventing it.
Teach it in that order. If students leave believing hiring is important because people matter, the chapter has half worked. If they leave able to compute \$38,070 and say where each dollar hides, it has fully worked, and Chapter 21 will land much harder when they reach it.
Timing
- One 75-minute session: §17.1 worked live on the board (30 min) → §17.2 and §17.4 with the scorecard (25 min) → §17.5's stage and the correction test (15 min). Assign §17.3, §17.6–17.8.
- Two sessions: split after §17.4. Session two opens with the stage, then the legal material, then onboarding and Figure 17.3.
- Self-paced: 5–7 hours with exercises.
Common misconceptions
1. "Turnover costs whatever we spent on the job ad." Universal, and the single most valuable correction in the chapter. Build the \$2,180 on the board component by component and stop after each to ask "and which account does that land in?" The moment students realize \$650 of it is sitting inside food cost — where Chapter 11 taught them to hunt variance — is the moment the chapter connects to the rest of the book.
2. "I can tell in five minutes." Nearly every student with restaurant experience believes this, and many managers have built whole careers on it. Do not attack it head-on; it produces defensiveness. Ask instead: "What is the last hire you were sure about who did not work out?" Everyone has one. Then introduce the structured-interview finding as an explanation for something they have already experienced rather than as a rebuke.
3. "Unpaid stages are industry standard, so they're fine." Widely believed and legally shaky. The useful framing is not "you'll get sued" — most operators never do — but the arithmetic in §17.5: paying costs \$88, which is 4% of a replacement cost. The legal argument convinces nobody; the price does.
4. Confusing headcount with scheduled hours. Students look at 31 people for a 68-seat restaurant and say it is too many. Exercise 17.33 exists for this. The answer is that headcount covers seven services with days off and sick coverage, while hours are what Chapter 19 optimizes. Conflating them is a real planning error and worth naming explicitly.
5. "Raise wages and turnover goes away." Exercise 17.12 is designed to puncture this gently: on turnover cost alone, a \$1/hour raise across four cooks needs turnover to fall from 100% to about 24% to break even, which will not happen. The exercise is not an argument against raises — it is an argument against justifying them with one number. Make sure students reach that distinction; some will over-learn the lesson and conclude wages don't matter.
The hardest point to teach
That good hiring cannot fix bad retention.
Students who have just absorbed a whole chapter on hiring naturally conclude that hiring is the lever. Case Study 2 exists to break that, and it needs class time rather than being left as reading — the composite restaurant does everything in this chapter correctly and turns over 130% of its staff.
The diagnostic that makes it stick: of the people who left last year, how many left inside ninety days? Early departures → this chapter. Late departures → Chapter 21. Have students apply it to a restaurant they have actually worked in. Most will discover, out loud, that the place they worked had a retention problem it was treating as a hiring problem.
A demonstration that works
The hidden-cost audit. Put the nine components of the \$2,180 on the board with the amounts visible but the accounts blank. Have the class assign each one to a P&L line from Chapter 31's chart of accounts.
They will get most of them. They will argue about "reduced output" and "learning-curve waste," which is the point — those two total \$650 and land in food cost, where an operator will diagnose them as a portioning problem and put a scale on the line. The intervention will not work, because the cause is a cook in week three.
That single realization does more to teach the interconnection of this book's parts than any lecture about it.
Extension: ask what a restaurant would have to do to make turnover visible. The answer — a memo account, a tracked figure on the weekly flash report — previews Chapter 31.
Assessment notes
- Exercises 17.8, 17.10, 17.12, and 17.14 are the computational core. A student who can do those four can price any people decision in the rest of the book.
- 17.12 is the best single discussion prompt in the chapter because the arithmetic argues against the intuitive answer and the right response is neither "so don't raise wages" nor "raise them anyway."
- 17.16 (rewrite the posting) works well as a graded short assignment and reveals immediately whether a student absorbed §17.2 or is pattern-matching to job ads they have seen.
- 17.28 is the ethics-and-business item; look for students who make the business case rather than restating the legal one, which is what the question asks for.
- 17.31 (the thirty-day plan) is the best group exercise — have groups compare who they assigned as owner at each step, and note how often "the team" appears.
Connections
Backward: Ch. 1 (prime cost, cost drift, the fixed labor floor), Ch. 7 (four-person line, deferred glasswasher), Ch. 9 (the 58% requirement), Ch. 11 (where waste hides), Ch. 14 (the Friday night). Forward: Ch. 18 (training), Ch. 19 (pricing this roster), Ch. 20 (the legal framework this chapter defers), Ch. 21 (retention — the other half of the problem), Ch. 23 (the second visit).