$($Related to Checkpoint $5\mathrm{.}6)($Solving for i$)$ At what annual interest rate, compounded annually, would $$480480$ have to be invested for it to grow to $$1$ comma $968\mathrm{.}891,968\mathrm{.}89$ in $1515$ years?Question content area bottomPart $1$The annual interest rate, compounded annually, at which $$480480$ must be invested for it to grow to $$1$ comma $968\mathrm{.}891,968\mathrm{.}89$ in $1515$ years is $($type your answer as a percentage, round to two decimal places$)$ enter your response here$\%.$