A portfolio is invested $42$ percent in Stock G$,37$ percent in Stock J$,$ and $21$ percent in Stock K$.$ The expected returns on these stocks are $10$ percent, $8$ percent, and $15$ percent, respectively. What is the portfolio's expected return?

Select one:

A$.10\mathrm{.}31\%$

B$.9\mathrm{.}82\%$

C$.10\mathrm{.}05\%$

D$.10\mathrm{.}66\%$

E$.11\mathrm{.}19\%$