A portfolio generates an annual return of $12\mathrm{.}0\%,$ a beta of $0\mathrm{.}7,$ and a standard deviation of $16\mathrm{.}0\%.$ The market index return is $14\mathrm{.}0\%$ and has a standard deviation of $21\mathrm{.}0\%.$ What is the M$2$ measure of the portfolio if the risk$-$free rate is $3\%?$

Multiple Choice

$0\mathrm{.}73\%$

$0\mathrm{.}63\%$

$0\mathrm{.}81\%$

$0\mathrm{.}53\%$