11. 13.33 (Spreadsheet exercise) James Engineering, Inc. wants to determine a method for book depreciation of newly acquired assets. Use a 6-year study period to determine the total taxes and PW of taxes for the depreciation methods SL, SYD, MACRS, and DDB for the information below. Using the criterion of PW of taxes, rounded to the nearest one hundreds, what is the numerical difference between the four methods of depreciation? CFBT = $500,000 for year 1, decreasing by $50,000 per year thereafter