Fleet fleet rental car company purchased 10 new cars for a total cost of $180,000. the cars generated income of $150,000 per year and incurred operating expenses of $60,000 per year. the company uses macrs depreciation and its marginal tax rate is 40% (note: per irs regulations, cars have a class life of 5 years). the 10 cars were sold at the end of the third year for a total of $75,000. assuming a marr of 10% and using npw, determine if this was a good investment on an after-tax basis