Brian has money invested at effective rate i. At the end of the first year he withdraws 150% of interest earned, at the end of the second year he withdraws 300% of the interest earned, and so forth with the withdrawal factor increasing in arithmetic progression. At the end of 14 years the fund is exactly exhaused. Find i.

A 3%

B 4%

C 5%

D 6%

E 7%