Oriole Ltd. purchased a new machine on April 4, 2014, at a cost of $184,000. The company estimated that the machine would have a residual value of $16,000. The machine is expected to be used for 10,500 working hours during its four-year life. Actual machine usage was 1,500 hours in 2014;2,400 hours in 2015: 2.500 hours in 2016: 2,100 hours in 2017: and 2,000 hours in 2018. Oriole has a December 31 year end. (a) 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 O decimal places, e.g. 5,275.) (1) Straight-line for 2014 through to 2018. 42000 2014 expense 42000 2015 expense 42000 2016 expense $ 42000 2017 expense 42000 2018 expense $ (2) Diminishing-balance using double the straight-line rate for 2014 through to 2018. 92000 2014 expense $ 46000 2015 expense $ 23000 2016 expense $ 2017 expense $ 7000 2018 expense O (3) Units-of-production for 2014 through to 2018. 24000 2014 expense $ 38000 2015 expense $ 15000 2016 expense $ 33600 2017 expense 32000 2018 expense tA (b) Which method results in the highest depreciation expense over the life of the asset? Highest net income? Highest cash flow? Which method results in the highest net income? Which method results in the highest cash flow