Derek can deposit $$10,638\mathrm{.}00$ on each birthday beginning with his $26\mathrm{.}00$ th and ending with his $65\mathrm{.}00$ th$.$

What will the rate on the retirement account need to be for him to have $$3,777,937\mathrm{.}00$ in it when he

retires?

Answer format: Percentage Round to: $2$ decimal places $($Example: $9\mathrm{.}24\%,\%$ sign required. Will accept

decimal format rounded to $4$ decimal places $($ex: $0\mathrm{.}0924$