NPV$.$ Grady Precision Measurement Tools has forecasted the following sales and costs for a new GPS system: annual sales of $44,000$ units at $$16$ a unit, production costs at $37\%$ of sales price, annual fixed costs for production at $$210,000.$ The company tax rate is $38\%.$ What is the annual operating cash flow of the new GPS system? Should Grady Precision Measurement Tools add the GPS system to its set of products? The initial investment is $$1,440,000$ for manufacturing equipment, which will be depreciated over six years $($straight line$)$ and will be sold at the end of five years for $$380,000.$ The cost of capital is $12\%.$