Determine the amount of depreciation expense for the years ended December $31,$ Year $1,$ Year $2,$ Year $3,$ and Year $4,$ by $($c$)$ the double$-$declining$-$balance method. 

Perdue Company purchased equipment on April 1 for $101,250. The equipment was expected to have a useful life of 3 years, or 7,560 operating hours, and a residual value of $2,970. The equipment was used for 1,400 hours during Year 1, 2,600 hours in Year 2, 2,300 hours in Year 3, and 1,260 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 straight-line method, (b) the units-of-activity method, and (c) the 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 Year Year 1 Year 2 Year 3 Year 4 b. Units-of-activity method Year Year 1 Year 2 Year 3 Year 4 Year Year 1 Year 2 Amount 24,570 32,760 32,760 c. Double-declining-balance method. Amount Year 3. Year 4 8,190 V Amount 18,200 33,800 29,900 16,380 50,625 X 33,750 11,250 X 2,655 X