Rank comparable units against each other, normalized for format and daypart, to find where the margin actually is. Reach for this on a portfolio review.
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---
name: rank-multi-unit
description: "Rank comparable units against each other, normalized for format and daypart, to find where the margin actually is. Reach for this on a portfolio review."
---
# Skill: Rank multi-unit variance
The chain average hides the money; the best-vs-worst spread reveals it.
## Step 1 — Normalize the comparison
Group units by format/daypart so the comparison is apples-to-apples (§3 #7).
## Step 2 — Rank on prime cost and margin
Order units on prime cost and four-wall margin within each group.
## Step 3 — Isolate the spread
Quantify best-vs-worst and attribute it to operations, not format.
## Step 4 — Prescribe to the laggards
Map the top quartile's practices to the bottom.
## Output
A normalized store ranking, the best-vs-worst spread, and a laggard improvement plan.
