Ivanhoe Bus Lines uses the units-of-activity method in depreciating its buses. One bus was purchased on January 1, 2022, at a cost of $140,000. Over its 4 -year useful life, the bus is expected to be driven 240,000 miles. Salvage value is expected to be $9,200. (a) Your answer is correct. Compute the depreciation cost per unit. (Round answer to 3 decimal places, es. 6.251) Prepare a depreciation schedule assuming actual mileage was: 2022,56,000;2023,72,800;2024,57,400; and 2025,53,800. (Round depreciation cost per unit to 3 decimal places, eg. 0.125 and other answers to 0 decimal places, eg. 125) Prepare a depreciation schedule assuming actual mileage was: 2022,56,000;2023,72,800;2024,57,400; and 2025, 53,800. (Round depreciation cost per unit to 3 decimal ploces, eg. 0.125 and other answers to 0 decimal places, eg. 125)