A 10-year project has a cost of $1,200,000 and has annual cash flows of $200,000 in years 1-5, and $400,000 in years 6-10. The company's required rate is 10%. Given this information, calculate the payback of the project. A 5.5 years B 6.5 years 6 years D 7.25 years E 5.25 years