Adrian Sonnetson, the owner of Adrian Motors, is considering the addition of a paint and body shop to his automobile dealership. Construction of a building and the purchase of necessary equipment is estimated to cost $800,000, and both the building and equipment will be depreciated over 10 years using the straight-line method. The building and equipment have zero estimated residual value at the end of 10 years. Sonnetson's required rate of return for this project is 12 percent. Net income related to each year of the investment is as follows: a. Determine the net present value of the investment in the paint and body shop. Should Sonnetson invest in the paint and body shop? b. Calculate the internal rate of return of the investment (approximate). c. Calculate the payback period of the investment. d. Calculate the accounting rate of return