Service
Target service level by ABC (annual $ value class) x XYZ (demand variability class), from the source workbook's Categories sheet. Drives the z-score/safety-stock calculation on Stocking Policy.
| X | Y | Z | |
|---|---|---|---|
| A | 99% | 98% | 96% |
| B | 97% | 95% | 92% |
| C | 93% | 90% | 85% |
| D | — | — | — |
The service-level frontier
Their own words: “it's very easy to meet that service level if you want your balance sheet to be super bloated.” This is that trade-off priced: the same engine rows with A-item safety stock re-scaled to each candidate target (2,573 A item-DCs of 5,873 replenished). Hover any point.