Your firm has estimated the following cash flows for a capital investment project. The firm's required rate of return is 10%. What is the project's payback period? Cash Flow -$185,000 at time 0 55,000 at year 1 55,000 at year 2 55,000 at year 3 45,000 at year 4 45,000 at year 5 45,000 at year 6

2.5 years

4.5 years

3.0 years

4.0 years

3.5 years