calculate_car_depreciation
Calculate car residual value and total depreciation using standard yearly rates: 25% first year, 15% second, 10% third, 8% years 4-5, 5% year 6+. Input purchase price and age.
Instructions
Calculate car residual value: Y1:-25%, Y2:-15%, Y3:-10%, Y4-5:-8%, Y6+:-5%. Returns: {residual_value, total_dep, pct_lost}. See list_bundles for related 'auto-transport' calculators.
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| purchase_price | Yes | Original price | |
| age_years | Yes | Age in years |
Output Schema
| Name | Required | Description | Default |
|---|---|---|---|
| result | No | Computed result. Object whose fields depend on the tool (e.g. {tax, marginal_rate, brackets} for tax tools, {volume_l, gallons} for volume tools). | |
| formula | No | Human-readable formula or method used (e.g. "I=P·r·t", "Magnus formula"). | |
| source | No | Authoritative source for the rule or formula (e.g. "Article 197 CGI", "NF DTU 21"). | |
| reference_url | No | Link to a calcul2 page documenting the calculation in detail. |