7. Problem 8.07 (Portfolio Required Return) eBook Problem Walk-Through Suppose you are the money manager of a $4.56 million investment fund. The fund consists of four stocks with the following investments and betas Stock Investment Beta 1.50 (0.50) 1.25 0.75 $ 200,000 700,000 1,460,000 2,200,000 8 lf the market's required rate o return is 8% and he risk-free rate is 6% what is the und's required rate o return? Do not round intermediate calculations Round your ans erto o decima places