Current Attempt in Progress Sunland Ltd. purchased a new machine on April 4, 2017, at a cost of $160,000. The company estimated that the machine would have a residual value of $14,000. The machine is expected to be used for 10,000 working hours during its four-year life. Actual machine usage was 1,600 hours in 2017;2,100 hours in 2018;2,600 hours in 2019;1,900 hours in 2020; and 1.800 hours in 2021. Sunland has a December 31 year end. and find anwen to 0 dedimal ploce es. 5,275 . (1) Streigh-4ine for 2017 twroughto 2021 (2) Diminishing-balance using double the straight-line rate for 2017 through to 2021. (3) Units-of-production for 2017 through to 2021 2017expense$ 2018expense$ 2019expense$ 2020expense$ 2021expense$