Roopali is considering an investment proposal with the following cash flows:

Initial investment-depreciable assets	$60,000
Initial investment-working capital	6,000
Net cash inflows from operations (per year for 10 years)	11,000
Disinvestment-depreciable assets	5,000
Disinvestment-working capital	2,000

For parts b. and c., round answers to three decimal places, if applicable.

a. Determine the payback period.

b. Determine the accounting rate of return on initial investment

c. Determine the accounting rate of return on average investment