4. Problem 8.07 PORTFOLIO REQUIRED RETURN Suppose you are the money manager of a $4.26 million investment fund. The fund consists of four stocks with the following investments and betas: Stock Beta 1.50 (0.50) 1.25 0.75 Investment 340,000 640,000 980,000 2,300,000 If the market's required rate of return is 9% and the risk-free rate is 3%, what is the fund's required rate of return? Do not round intermediate calculations. Round your answer to two decimal places