Perdue Company purchased equipment on April 1 for $270,000. The equipment was expected to have a useful life of three years or 18,000 operating hours, and a residual value of $9,000. The equipment was used for 7,500 hours during Year 1, 5,500 hours in Year 2, 4,000 hours in Year 3, and 1,000 hours in Year 4. Instructions 1. Determine the amount of depreciation expense for the years ended December 31, Year 1, Year 2, Year 3, and Year 4, by (A) the straight-line method, (B) the units- of-activity method, and (C) the double-declining-balance method. PR 9-4A Depreciation by two methods; sale of fixed asset New lithographic equipment, acquired at a cost of $800,000 on March 1 at the beginning of a fiscal year, has an estimated useful life of five years and an estimated residual value of $90,000. The manager requested information regarding the effect of alternative methods on the amount of depreciation expense each year. In the first week of the fifth year, on March 4, the equipment was sold for $135,000. Instructions