Depreciation by three methods; partial years Ferdue Company purchased equipment on April 1 for $66,690. The equipment was expected to have a useful ufe of 3 years, or 5,400 operating hours, and a residual value of \$1,890. The equipment was used for 1,000 hours during Year 1, 1,900 hours in Year 2,1,600 hours in Year 3, and 900 hours in Year 4. Required: Determine the amount of depreciation expense for the years ended December 31, Year 1, Year 2, Year 3, and Year 4, by (a) the straighe-line method, (b) the units-ofactivity method, and (c) the double-decining-balince method, Note: FOR DECLINING BALANCE ONLY, round the final multiplier to four decimal places. Then, round the answer for each year to the nearest whole dollar. a. Straight-line method b. Units-ot-activity method c. Double-declining-balance method Note: FOR DECLINING BALANCE ONLY, round the final multiplier to four decimal places. Then, round the answer for each year to the nearest whole dollar. a. Straight-line method b. Units-of-activity method c. Double-dedining-balance method Partial-year depreciation Equipment acquired at a cost of $64,000 has an estimated residual value of $4,000 and an estimated useful life of 10 years. It was placed in service on October 1 of the current fiscal year, which ends on December 31. When required, round your answers to two decimal places. a. Determine the depreciation for the current fiscal year and for the following fiscal year by the straight-line method. b. Determine the depreciation for the current fiscal year and for the following fiscal year by the double-declining-balance method