John wants to provide $1,000,000 in 20 years towards his retirement.

John has currently $100,000 in his savings account. What annual interest rate

must John earn to have the $1,000,000 when he needs it?

Give the

answer in percentage, rounding to the nearest unit, with no decimal places

(e.g., if the answer would be 3.234%, give 3; or if the answer would be 4.562%, give 5).