Average Rate of Return Determine the average rate of return for a project that is estimated to yield total income of 5485,760 over six years, has a cost of $910,800, and has a $101,200 residual value. Round to the nearest whole number. % Cash Payback Period A project has estimated annual net cash flows of $23,500. It is estimated to cost $141,000. Determine the cash payback period. Round your answer to one decimal place. years