You are currently earning $15\%$ compounded semiannually. Your investment company is switching all accounts to monthly compounding. What rate will give you the same effective annual rate of return as you are receiving now?

$12\mathrm{.}43\%$

$10\mathrm{.}58\%$

$10\mathrm{.}27\%$

$14\mathrm{.}55\%$