Read all balance states
Synthetic package PK-81 starts with ten units, four consumed and two held; four remain free. A held booking is not yet consumed. Disclosures preserve the two-unit reservation and the completed consumption event.
| Input or inspection | Expected view | Business meaning |
|---|---|---|
| Inspect free balance | 10 − 4 − 2 = 4 | Four available in fixture |
| Open held history | B-81 holds two | No consumption yet |
| Open consumed history | ATT-81 consumes four | Completed event retained |
Inspect each ledger effect
- The ledger shows units and status words together.
- A reservation event is not displayed as an attendance event.
If the two-unit reservation is released under the supplied rule, what becomes free?
Show the worked answer
Six units: ten minus four consumed. The four consumed units remain consumed.
The preview only reads the fixed ledger; opening history performs no release.