Exercise 9-3 a-b (Part Level Submission) Wildhorse Ltd. purchased a new machine on April 4, 2014, at a cost of $172,800. The company estimated that the machine would have a residual value of $18,000. The machine is expected to be used for 9,000 working hours during its four-year life. Actual machine usage was 1,300 hours in 2014; 2,000 hours in 2015; 2,100 hours in 2016; 1,900 hours in 2017; and 1,700 hours in 2018. Wildhorse has a December 31 year end. Calculate depreciation for the machine under each of the following methods: (Round expense per unit to 2 decimal places, e.g. 2.75 and final answers to 0 decimal places, e.g. 5,275.) (1) Straight-line for 2014 through to 2018. 2014 expense 4A 2015 expense 40 2016 expense 40 2017 expense 40 2018 expense 4A (2) Diminishing-balance using double the straight-line rate for 2014 through to 2018. 2014 expense $ $ 2015 expense 2016 expense ut 2017 expense $ 2018 expense $ (3) Units-of-production for 2014 through to 2018. 2014 expense 2015 expense $ 2016 expense 2017 expense $ 2018 expense $