(c) The Outback Steakhouse main office has purchased a $100,000 online document imaging system with an estimated useful life of 8 years and a tax depreciation recovery period of 5 years. Compare the present worth of total depreciation for (a) the SL method, (b) the DDB method, and (c) DDB-to-SL switching. (d) Perform the DDB-to-SL switch and plot the book values. Use a rate of i=10% per year [5 Marks]