Yello Bus Lines uses the units-of-activity method in depreciating its buses. One bus was purchased on January 1, 2020, at a cost of $148,000. Over its 4-year useful life, the bus is expected to be driven 100,000 miles. Salvage value is expected to be $8,000. Collapse question part (a) Compute the depreciable cost per unit. (Round answer to 2 decimal places, e.g. 0.50.) Depreciation cost per unit