A 30 year project is estimated to cost $35 million dollars and provide annual cash flows of $5 per year in years 1-5; $4 million per year in years 6-20 and $2 million per year in years 21-30. If the company's required rate of return is 10%, determine the discounted payback for the project.

A)7.9 years

B)13.9 Years

C)9.9 years

D)11.9 years

E)15.9 years