4. Problem 8.07 (Portfolio Required Return) ED Suppose you are the money manager of a $4.54 million investment fund. The fund consists of four stocks with the following investments and betas: Stock Investment Betal $ 320,000 1.50 B 700,000 (0.50) 1,420,000 1.25 D 2,100,000 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. %