A special-purpose computer workstation has B = $50,000 with a 4-year recovery period. (a) Tabulate and plot the values for SL depreciation, accumulated depreciation, and book value for each year if there is no salvage value. (b) Tabulate and plot the values for SL depreciation, accumulated depreciation, and book value for each year if the salvage value, S=$16,000. c) Use a spreadsheet to solve this problem by using DDB method. d) Plot the book value for SL and DDB depreciation on a single XY scatter chart. e) Calculate the DDB annual depreciation rate for all years 1 through 4