Martinez Bus Lines uses the units-of-activity method in depreciating its buses. One bus was purchased on January 1, 2022, at a cost of $273,346. Over its 4-year useful life, the bus is expected to be driven 163,300 miles. Salvage value is expected to be $8,800. (a) (b) Prepare a depreciation schedule assuming actual mileage was: 2022, 51,300; 2023, 37,000; 2024, 34,000; and 2025, 41,000. (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 Units of Year Activity X 2022 2023 2024 2025 Depreciation Cost/Unit $ $ Annual Depreciation Expense Accumula Depreciat $