To better understand salvage value. Based on this table how they compute the salvage value and depreciation.

Useful Life Production Machines Salvage Value Price/unit (years) Depreciation Coconut Fiber Grinding Machine 13 P 150,000.00 P 238,500.00 6,807.69 Molding Machine 10 P 250,000.00 P 657,000.00 40,700.00 Elmadry TD 30 Air Dryer 10 F 10,000.00 P 16,750.00 675.00 CNC Machine 7 P 350,000.00 F 506,600.00 22,371.43 Total P 1,418,850.00 70,554.12 OH 48,182.69