please help with these questions

Cash Payback Period A project has estimated annual net cash flows of $24,500. It is estimated to cost $147,000. Determine the cash payback period. If required, round your answer to one decimal place. years Average Rate of Return Determine the average rate of return for a project that is estimated to yleld total income of $529,200 over six years, has a cost of $772,800, and has a $67,200 residual value. Round to the nearest whole number. %