Units-of-activity Depreciation A truck acquired at a cost of $105.000 has an estimated residual value of $5.000, has an estimated well life of 40,000 miles and was driven 4.000 miles during the year. Determine the following It required, round your answer for the depreciation rate to two decimal places (a) The depreciable cost (b) The depreciation rate The unit of city depreciation for the year permie