4) Blue Corp. purchased a machine for $2,600 with a $200 salvage value and a 4-year life. The machine has a production capacity of 4,800 units and was purchased on October 1, 2015. Determine the depreciation and year-end book value (i.e., on 31 Dec.) for each year under the straight-line method (show your calculations and your results on the following table). Year Depreciation expense Year-end Book Value 2015 2016 2018 2019