Replacement cost & lifecycle defaults
These settings feed the AI forecast. Good defaults make for a trustworthy budget projection.
| Setting | What it controls |
|---|---|
| Student device cost | Default unit price for student devices (Chromebooks, tablets). |
| Staff / teacher device cost | Default unit price for staff devices (laptops, workstations). |
| Model-specific overrides | Exact prices for named models — these win over the category defaults. |
| Device aging threshold | Age in years at which a device is considered "aging". |
| Device lifecycle target | Expected service life before planned replacement. |
| Annual loss rate | Percentage of the fleet lost, stolen, or destroyed each year (default 4%). |
| Annual repair rate | Percentage needing repair each year (default 12%). |