Yello Bus Lines uses the units-of-activity method in depreciating its buses. One bus was purchased on January 1, 2017, at a cost of $221, 582. Over its 4-year useful life, the bus is expected to be driven 146, 700 miles. Salvage value is expected to be $7, 400. Compute the depreciable cost per unit. (Round answer to 2 decimal places, e.g. 0.50.) Depreciation cost per unit $ per mile Prepare a depreciation schedule assuming actual mileage was: 2017, 25, 700;2018, 43,000;2019, 45,000;and 2020, 33,000. (Round cost per unit to 2 decimal places, e.g. 15.25 and all other answers to 0 decimal places, e.g. 5, 275.)