Minn is considering an investment proposal with the following cash flows: Initial investment-depreciable assets $227,500 Net cash inflows from operations (per year for 10 years) 32,500 Disinvestment-depreciable assets 22,750 For parts b. and c., round answers to three decimal places, if applicable. a. Determine the payback period. 7 years b. Determine the accounting rate of return on initial investment. 5.495 c. Determine the accounting rate of return on average investment. 4.902