Show Attempt History Current Attempt in Progress Sheridan Bus Lines uses the units-of-activity method in depreciating its buses. One bus was purchased on January 1, 2025, at a cost of $147,000. Over its 4-year useful life, the bus is expected to be driven 248,750 miles. Salvage value is expected to be $7,700. (a) Your answer is correct. Compute the depreciation cost per unit. (Round answer to 3 decimal places, eg. 6.251.) Depreciation cost per unit $ 0.56 eTextbook and Media