PORTFOLIO REQUIRED RETURN Suppose you are the money manager of a $4 million investment fund. The fund consists of four stocks with the following investments and betas: Beta 1.50 (0.50) 1.25 0.75 Investment $ 460,000 680,000 1,060,000 1,800,000 03 If the market's required rate of return is 10% and the risk-free rate is 4%, what is the fund's required rate of return? Do not round intermediate calculations. Round your answer to two decimal places