Calculating initial cash flow Vastine Medical, Inc., is considering replacing its existing computer system, which was purchased 2 years ago at a cost of $324,000. The system can be sold today for $195,000. It is being depreciated using MACRS and a 5-year recovery period (see the table ). A new computer system will cost $493,000 to purchase and install. Replacement of the computer system would not involve any change in net working capital. Assume a 21% tax rate on ordinary income and capital gains. a. Calculate the book value of the existing computer system. b. Calculate the after-tax proceeds of its sale for $195,000. c. Calculate the initial cash flow associated with the replacement project. a. The remaining book value is $ (Round to the nearest dollar.) Data table (Click on the icon here in order to copy the contents of the data table below into a spreadsheet.) Rounded Depreciation Percentages by Recovery Year Using MACRS for First Four Property Classes Percentage by recovery year* Recovery year 3 years 5 years 7 years 10 years 1 33% 20% 14% 10% 2 45% 32% 25% 18% 3 15% 19% 18% 14% 4 7% 12% 12% 12% 5 12% 9% 9% 6 5% 9% 8% 7 9% 7% 8 4% 6% 9 6% 10 6%