Chapter 11 Pre-Built Problems 6 On January 1, 2018, Canseco Plumbing Fixtures purchased equipment for $66000 Residual value at the end of an estimated four year service life is expected to be $6,000 The company expects the machine to operate for 15,000 hours The machine operated for 4,000 and 4800 hours in 2018 and 2019respectivety 10 ponts a. Calculate depreciation expense for 2018 and 2019 using straight tine method b. Calculate depreciation expense for 2018 and 2019 using sum-of-the-years-digts method c. Calculate depreciation expense for 2018 and 2019 using double decining 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. Print Required A Required 8 Required C Required Calculate deprediation expense for 2018 and 2019 using straight line method. Annual De Choose Numerator: Expense 2018 2019 Required B