Your portfolio consists of $86,454 invested in a stock that has a beta =1.3, $82,502 invested in a stock that has a beta =0.5, and $25,655 invested in a stock that has a beta =1.5. The risk-free rate is 2.4%. Last year this portfolio had a required return of 7.4%. This year nothing has changed except that the market risk premium has increased by 3.4%. What is the portfolio's current required rate of return? 9.26% 10.26% 9.76% 8.76% 10.76%