Problem 8-7 Portfolio required return Suppose you are the money manager of a $4.51 million investment fund. The fund consists of four stocks with the following investments and betas: Stock Investment Beta $ 300,000 1.50 740,000 - 0.50 1,020,000 1.25 2,450,000 0.75 If the market's required rate of return is 8% and the risk-free rate is 6%, what is the fund's required rate of return? Do not round intermediate calculations. Round your answer to two decimal places