Payback Period and Accounting Rate of Return: Equal Annual Operating Cash Flows with Disinvestment Minn is considering an investment proposal with the following cash flows: Initial investment-depreciable assets $90,000 Net cash inflows from operations (per year for 10 years) 15,000 Disinvestment-depreciable assets 12,000 For parts b. and c., round answers to three decimal places, if applicable. a. Determine the payback period. years b. Determine the accounting rate of return on initial investment. 0.222 c. Determine the accounting rate of return on average investment. 0.07 X Check