On January 1, 2018, Canseco Plumbing Fixtures purchased equipment for $52,000. Residual value at the end of an estimated four-year service life is expected to be $4,000. The company expects the machine to operate for 12,000 hours. The machine operated for 3,300 and 4,100 hours in 2018 and 2019, respectively. a. Calculate depreciation expense for 2018 and 2019 using straight line method. b. Calculate depreciation expense for 2018 and 2019 using sum-of-the-years'-digits method. c. Calculate depreciation expense for 2018 and 2019 using double-declining balance method. d. Calculate depreciation expense for 2018 and 2019 using units-of-production method (using machine hours). Complete this question by entering your answers in the tabs below. Required A Required B Required C Required D Calculate depreciation expense for 2018 and 2019 using straight line method. Straight-Line Depreciation Choose Numerator: Choose Denominator: Annual Depreciation Expense = Depreciation Expense Depreciation Expense 2018 2019 Complete this question by entering your answers in the tabs below. Required A Required B Required C Required D Calculate depreciation expense for 2018 and 2019 using sum-of-the-years'-digits method. Sum-of-the-years' digits depreciation Depreciable Base Rate per Year Depreciation Expense 2018 2019 Complete this question by entering your answers in the tabs below. Required A Required B Required C Required D Calculate depreciation expense for 2018 and 2019 using double-declining balance method. End of Period Depreciation for the Period Beginning of Period Book Depreciation Depreciation Value Rate (%) Expense Annual Period Accumulated Depreciation Book Value 2018 2019 Required B Required D > Required A Required B Required C Required D Calculate depreciation expense for 2018 and 2019 using units-of-production method (using machine hours). (Round "Depreciation per machine hour" answers to 2 decimal places.) Select formula for Units of Production Depreciation: Calculate 2018 depreciation expense: Depreciation per machine hour Machine hours in 2018 Depreciation in 2018 Calculate 2019 depreciation expense: Depreciation per machine hour Machine hours in 2019 Depreciation in 2019 Required C Required D >