An investment group offers their clients advice on creating a diversified investment portfolio. A client asks them to develop a portfolio that includes investment in a Domestic Growth Fund $($a mutual fund composed of US stocks with a history of strong performance$)$ and a corporate bond fund. The Domestic Growth Fund has an expected return of $7\mathrm{.}60\%$ with a standard deviation of $18\mathrm{.}55\%.$ The corporate bond fund has an expected percent return of $5\mathrm{.}75\%$ with a standard deviation of $4\mathrm{.}80\%.$ The covariance of an investment in the Domestic Growth Fund with an investment in a corporate bond fund is $-12\mathrm{.}3.($Round your answers for standard deviation to two decimal places.$)$ If the investment group recommends that the client invest $75\%$ in the Domestic Growth Fund and $25\%$ in the corporate bond fund, what is the expected percent return and standard deviation for such a portfolio?

expected percent return

$\%($Do not round$)$

standard deviation

$\%($Round to $2$ decimal places$)$