Yello Bus Lines uses the units-of-activity method in depreciating its buses. One bus was purchased on January 1,2022, at a cost of $245,100. Over its 4 -year useful life, the bus is expected to be driven 148,500 miles. Salvage value is expected to be $7,500. (a) Your answer is correct. Compute the depreciable cost per unit. (Round answer to 2 decimal places, e.g. 0.50.) Depreciable cost per unit $ per mile Prepare a depreciation schedule assuming actual mileage was: 2022, 35,500; 2023, 58,000; 2024, 33,000; and 2025, 22,000. (Round cost per unit to 2 decimal places, e.g. 15.25 and all other answers to 0 decimal places, e.g. 5,275