last answers were incorrect, please help. b+c

Perdue Company purchased equipment on April 1 for $52,600. The equipment was expected to have a useful life of three years, or 7,300 operating hours, and a residual value of $1,500. The equipment was used for 1,300 hours during Year 1, 2,600 hours in Year 2, 2,200 hours in Year 3, and 4,258.333333 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: Round all values for each depreciation method and each year to the nearest whole dollar.

Depreciation by Three Methods; Partial Years Perdue Company purchased equipment on April 1 for $52,600. The equipment was expected to have a useful life of three years, or 7,300 operating hours, and a residual value of $1,500. The equipment was used for 1,300 hours during Year 1, 2,600 hours in Year 2, 2,200 hours in Year 3, and 4,258.333333 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: Round all values for each depreciation method and each year to the nearest whole dollar. a. Straight-line method Year Amount Year 1 12,775 Year 2 17,033 Year 3 17,033 Year 4 4,258 b. Units-of-activity method Year Amount Year 1 9,100 x Year 2 18,200 x Year 3 15,400 x Year 4 8,400 x C. Double-declining-balance method Year Amount Year 1 26,432 x Year 2 17,533 Year 3 5,785 X Year 4 1,350 x