Please write out calculations thanks

Grady Precision Measurement has forecasted the following sales and costs for a new GPS system: annual sales of48.000 units at $18 a unit, production costs at 37% of sales price, annual fixed costs for production at $180,000, and straight-line depreciation expense of $240,000 per year. The company tax rate is 35%. What is the annual operating cash flow of the new GPS system? . Using the operating cash flow information from the previous problem, 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 (straight line) 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%