Nicholas earned $14\mathrm{.}5\%$ in his savings account. If he is in the $31\%$ tax bracket, what is his after$-$tax savings rate of return? $($Round your answer to $2$ decimals.$)$

Multiple Choice

$5\mathrm{.}22\%$

$14\mathrm{.}50\%$

$3\mathrm{.}63\%$

$10\mathrm{.}01\%$

$31\mathrm{.}00\%$