Determine the average rate of return for a project that is estimated to yield total income of $620,160 over six years, has a cost of $581,400, and has a $64,600 residual value. Round to the nearest whole number. %

A project has estimated annual net cash flows of $44,000. It is estimated to cost $211,200.

Determine the cash payback period. If required, round your answer to one decimal place. years