$($Related to Checkpoint$5\mathrm{.}6)($Solving for i$)$ Kirk Van$$ Houten, who has been married for $21$years$,$ would like to buy his wife an expensive diamond ring with a platinum setting on their$30-$year wedding anniversary. Assume that the cost of the ring will be $$$$11,500$ in $9$ years. Kirk currently has $$$ $4,597$ to invest. What annual rate of return must Kirk earn on his investment to accumulate enough money to pay for the$$ ring? The annual rate of return Kirk must earn on his investment to accumulate enough money to pay for the ring is

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enter your response here$\%.($Round to two decimal$$ places.$)$