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 $126,000. Over its 4-year useful life, the bus is expected to be driven 210,000 miles. Salvage value is expected to be $8,400. Compute the depreciation cost per unit. (Round answer to 3 decimal places, e.g. 6.251.) Depreciation cost per unit $ eTextbook and Media Prepare a depreciation schedule assuming actual mileage was 2025, 50,400; 2026, 65,500; 2027, 51,600; and 2028, 42,500. (Round depreciation cost per unit to 3 decimal places, e.g. 0.125 and other answers to 0 decimal places, e.g. 125.) Prepare a depreciation schedule assuming actual mileage was 2025,50,400;2026,65,500;2027,51,600; and 2028,42,500. (Round depreciation cost per unit to 3 decimal places, e.g. 0.125 and other answers to 0 decimal places, e.g. 125.)