# Formula-range protection: independent answer

Fictional practice order sheet. Put `=B2*C2` in D2 and fill through D4.

| Row | Item | Qty | Unit price | Expected line total |
| --- | --- | ---: | ---: | ---: |
| 2 | Binder | 3 | $12 | **$36** |
| 3 | Pens | 5 | $6 | **$30** |
| 4 | Clips | 3 | $5 | **$15** |

Sum of the three line totals: **$81**.

Permission design: **B2:C4 editable** to trusted collaborators; **D2:D4 restricted** to the owner. A warning-only setting is not the same as a restriction. Protection is not a secrecy feature.
