Your portfolio consists of $52,497 invested in a stock that has a beta =0.8, $66,726 invested in a stock that has a beta =0.5, and $61,252 invested in a stock that has a beta =2. The risk-free rate is 3.2%. Last year this portfolio had a required return of 6.7%. This year nothing has changed except that the market risk premium has increased by 2.7%. What is the portfolio's current required rate of return? \begin{tabular}{c} 9.66% \\ \hline 10.66% \\ \hline 11.66% \\ \hline 12.66% \\ \hline 13.66% \end{tabular}