You have a portfolio of three stocks: Stock A$,$ Stock B$,$ and Stock C$.$ The weights and betas of these stocks are as follows:

Stock

Weight

Beta

A $,30\%,1\mathrm{.}3$

B $,40\%,0\mathrm{.}9$

$C,30\%,1\mathrm{.}5$

If the risk$-$free rate is $1\mathrm{.}80\%$ and your portfolio's expected return is $11\mathrm{.}10\%,$ what is the market portfolio return?

$9\mathrm{.}40\%$

$9\mathrm{.}55\%$

$9\mathrm{.}70\%$

$9\mathrm{.}20\%$

$9\mathrm{.}85\%$