a dynamic measurement machine used by renshaw instrument has an annual cash flow before taxes of 550,000 over its life of 10 years, its first cost was 1.7 million, it was straight-line depreciated with n =10 years, and it was sold today for the estimated salvage of $200,000. The company's Te= 36% and after tax MARR =15%. was the purchase and use of the machine economically justified. help please please I need this done by excel. please show me how. Please show me in excel