Depreciation by Two Methods; Partial Years Knife Edge Company purchased tool sharpening equipment on July 1, 2045, for $16,200. The equipment was expected to have a useful life of three years and a residual value of $900. Instructions: a. Determine the amount of depreciation expense for the years ended December 31, 2045, 2016, 2017 and 2048 by the straight-line method. Depreciation Expense 20Y5 $ 2046 $ 2017 $ 2048 $ b. Determine the amount of depreciation expense for the years ended December 31, 2015, 2016, 2017 and 2048 by the double-declining-balance method. Round the double-declining-balance depreciation rate to six decimal places and round your final answers to the nearest whole dollar. Depreciation Expense 20Y5 $ 2046 $ 2017 Com 2048 $