The stock of Giannis Sports has an expected return of $7\mathrm{.}8$ percent and betas of: $$ GNP $=1\mathrm{.}06$; ${}_1=1\mathrm{.}01$; and ${}_{Ex}=\mathrm{.}52.$ This expectation is based on a three$-$factor model with expected values of: GNP growth of $2\mathrm{.}6$ percent; inflation of $3\mathrm{.}1$ percent; and export growth of $1\mathrm{.}4$ percent. However, actual growth in these factors turns out to be $3\mathrm{.}1$ percent, $2\mathrm{.}6$ percent, and $\mathrm{.}2$ percent, respectively. Calculate the stock's total return if the company unexpectedly announces that an important patent filing has been granted sooner than expected and will earn the company $5$ percent more in return, $($i$.$e$.,$ from $10$ percent up to $15$ percent$).$

$16\mathrm{.}02\%$

$12\mathrm{.}20\%$

$11\mathrm{.}55\%$

$10\mathrm{.}90\%$

$11\mathrm{.}02\%$