Blue Highway Bus Lines uses the units-of-activity method in depreciating its buses.

One bus was purchased on January 1, 2007, at a cost of $120,000. Over its 4-year useful life, the bus is expected to be driven 160,000 miles. Salvage value is expected to be $8,000.

Instructions

(a) Compute the depreciation cost per unit.

(b) Prepare a depreciation schedule assuming actual mileage was: 2007, 40,000; 2008, 52,000; 2009, 41,000; and 2010, 27,000.