Suppose you are the money manager of a million dollar investment fund. The fund consists of four stocks with the following investments and betas: Stock Alpha Bingo Investment Beta $525,000 -1.50 $100,000 -1.00 $250,000 0.50 $125,000 2.00 Charlie Delta a) Calculate the fund's beta. b) If the market's required rate of return is 10% and the risk-free rate is 3%, what is the fund's required rate of return? a)-0.51; b)-0.59% a)0.51; b)6.59% a)0.00; b)3.00% a)1.25; b)11.75% a)1.26; b)11.84%