Suppose you are the money manager of a $4 million investment fund. The fund consists of 4 stocks with the following investments and betas. (Round all percentages to 2 decimal points. Example 11578 = 11.58%) EF========== Stock Investment in dollars Weight of investment Beta Investments weighted beta Apple $70,000 .8 Amazon $ 130,000 1.15 Google $300,000 1.4 Berkshire Hathaway $100,000 .6 What is the portfolio beta? If the market required rate of return is 12.2% and the risk-free rate is 1.8% then what is the fund's required rate of return