SAMPLE · Margin engine · nail-tech labor × active-time benchmarks · industry-average inputs (not a specific salon's data)

Ooo La La — Margin Engine

Same engine as Bark & Purr's margin report. The chain is identical — active minutes → labor cost → margin per service — only the benchmark table (nail services) and the pay model (nail-tech) are swapped in by config.

Pay model & assumptions — the labor input

Nail-tech pay model

Commission to tech (%)

Loaded $/hr (hourly)

Supplies $/service

Margin per service

Service	Price	Active min	Labor $	Supplies $	Margin $	Margin %	$/active-hr

Salon roll-up (weighted by SAMPLE mix)

Targets from economics.json: net margin 15–25%, labor 45–55%, supplies 5–10%, seat utilization 75–80%. The roll-up weights services by a SAMPLE volume mix; swap in Ooo La La's real mix to make it theirs.