(a) The BVM Corp., a construction company, pur- chased a used hybrid electric pickup truck for $30,000 and used MACRS depreciation in the income tax return. During the time the company had the truck, they estimated that it saved $9500 a year. At the end of 4 years, BVM sold the truck for $9000. The combined federal and state income tax rate for BVM is 40%. Compute the after-tax rate of return for the truck