The expected return and standard deviation for the optimal risky portfolio are $\_\_\_\_\_$ and $\_\_\_\_\_$

$15\mathrm{.}35\%,14\mathrm{.}35\%$

$15\mathrm{.}35\%,16\mathrm{.}00\%$

$13\mathrm{.}69\%,15\mathrm{.}55\%$

$14\mathrm{.}85\%,16\mathrm{.}00\%$