Suppose you are the money manager of a $4\mathrm{.}24$ investment fund. The fund consists of four stocks with the following investments and betas: Stock Investment Beta A $420,000400,000(0\mathrm{.}50)1,320,000$ D$2,100,0000\mathrm{.}75$ the market's required rate of return is $10\%$ and the risk$-$free rate is $4\%,$ what is the fund's required rate of returnDo not round intermediate calculationsRound your answer to two decimal places