NPV. Using the operating cash flow information from Problem 11, determine whether Grady Precision Measurement Tools should add the GPS system to its set of products. The initial investment is $1,440,000 for manufacturing equipment, which will be depreciated over six years (using straight-line depreciation) and will be sold at the end of five years for $380,000. The cost of capital is 10%, and the tax rate is still 35%