A portfolio is invested $20$ percent in Stock G$,35$ percent in Stock J$,$ and $45$ percent in Stock K$.$ The expected returns on these stocks are $9\mathrm{.}2$ percent, $12$ percent, and $15\mathrm{.}7$ percent, respectively.

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What is the portfolio$$s expected return? $($Do not round intermediate calculations. Enter your answer as a percentage rounded to $2$ decimal places $($e$.$g$.,32\mathrm{.}16).)$