arch eBook Show Me How Print item Units of activity Depreciation A truck acquired at a cost of $225,000 has an estimated residual value of $13,950, has an estimated useful life of 63,000 miles, and was driven 4,400 milles during the year. Determine the following. If required, round your answer for the depreciation rate to two decimal places. (a) The depreciable cost (b) The depreciation rate (c) The units-of-activity depreciation for the year per mile Check My Work Chp 10 Units of Production Content Area. Next>> 11:31 AM 12/19/2020