10-2A Units-of-activity depreciation

OBJ.2 501 PE 10-2A Units-of-activity depreciation A truck acquired at a cost of $202,800 has an estimated residual value of $18,000, has an estimated useful life of 440,000 miles, and was driven 113,000 miles during the year. Determine (a) the depreciable cost, (b) the depreciation rate, and (c) the units-of-activity depreciation for the year