On March 31, 2021, Canseco Plumbing Fixtures purchased equipment for $54,000. Residual value at the end of an estimated four-year service life is expected to be $10,000. The company expects the equipment to operate for 20,000 hours. The equipment operated for 3,400 and 4,200 hours in 2021 and 2022, respectively. Required: a. Calculate depreciation expense for 2021 and 2022 using straight-line method, b. Calculate depreciation expense for 2021 and 2022 using double-declining balance method. c. Calculate depreciation expense for 2021 and 2022 using units-of-production using hours operated. Required A Required B Required Calculate depreciation expense for 2021 and 2022 using straight-line method. Straight-Line Depreciation Choose Numerator: Choose Denominator: Annual Depreciation Formula Annual Depreciation Amounts Year Annual Depreciation Fraction of Year Depreciation Expense 2021 2022 Ronalen Required B > Required A Required B Required c Calculate depreciation expense for 2021 and 2022 using double-declining-balance method. Double-Doclining-Balance Method Choose Denominator: Choose Numerator: * Fraction of Year X Fraction of Year - Depreciation Exponse - Depreciation Expense Formula Amount for 2021 Amount for 2022 % % Required A Required B Required sk Calculate depreciation expense for 2021 and 2022 using units-of-production using hours operated. (Round "Depreciation per machine hour answers to 2 decimal places) Select formula for Units of Production preciation: 005 Calculate 2021 depreciation expense Depreciation per machine hour Machine hours in 2021 Depreciation in 2021 Calculate 2022 depreciation expense: Depreciation per machine hour Machine hours in 2022 Depreciation in 2022