Q$13.$ You started an investment account $10$ years ago with $$$

$1800,$ and it now has grown to $$$

$7400.$

a$.$ What annual rate of return have you earned$($you have made no additional contributions to the$$ account$)?$

b$.$ If the investment account earns

$14\%$ per year from now$$ on$,$ what will the$$ account's value be ten years from$$ now?

Question content area bottom

Part $1$

a$.$ The annual rate of return is

enter your response here

$\%.$