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 $243,161. Over its 7-year useful life, the bus is expected to be driven 147,900 miles. Salvage value is expected to be $8,000 Compute the depreciable cost per unit. (Round answer to 2 decimal places, e.g.0.50. Depreciation cost per unit s per mile Prepare a depreciation schedule assuming actual mileage was: 2017, 29,900; 2018, 59,000; 2019, 40,000; and 2020, 19,000. (Round cost per unit to 2 decimal places, e.g. 15.25 and all other answers to O decimal places,e.g. 5,275 Computation End of Year Annual Units of Depreciation Depreciation Accumulated Year Activity x Cost /Unit Expense Depreciation Book Value 2017 2018 2019 2020