Consider the following information on a portfolio of three stocks:

The portfolio is invested $40$ percent in each Stock A and Stock B and $20$ percent in Stock C$.$ If the expected T$-$bill rate is $4\mathrm{.}03$ percent, what is the expected risk premium on the portfolio?

$5\mathrm{.}80$ percent

$7\mathrm{.}68$ percent

$6\mathrm{.}90$ percent

$5\mathrm{.}38$ percent

$6\mathrm{.}72$ percent