Machine |
| Fixed chipper | Grapple loader | Shovel loader | Wheel loader |
Index | i | 1 | 2 | 3 | 4 |
Purchase price of machine i (Mill. JPY) | Mi | 27.1 | 9.7 | 1.0 | 8.9 |
Salvage rate of machine i | sali | 0.1 | 0.1 | 0.1 | 0.1 |
Maintenance rate of machine i | mmi | 0.5 | 0.5 | 0.5 | 0.5 |
Depreciation years of machine i | mdi | 8 | 8 | 8 | 8 |
Rate of insurance, interest, and tax | si | 0.23 | 0.23 | 0.23 | 0.23 |