Computing Depreciation Using Multiple Depreciation Methods

On January 1, 2020, Walker Inc. acquired equipment for $160,000. The expected useful life is 10 years and the residual value is $3,200. Total service hours for the equipment are estimated to be 40,000 while actual hours for 2020 were 3,600. Compute depreciation expense in 2020, under the following methods.

Note: Carry all decimals in calculations; round the final answer to the nearest dollar.

a. Straight-line	Answer
b. Sum-of-the-years-digits	Answer
c. Double-declining-balance	Answer
d. Units-of-production	Answer