Question 7 [19 Marks] Suppose that a portfolio consists of the following shares Share Amount Beta Chevron R20,000 0.7 General Electric R40,000 1,3 Whirlpool R40,000 1.1 The risk-free rate (ro) is 5 percent and the market risk premium (rm - TI) is 8 8 percent Required: 71 Determine the beta for the portfolio (2) 72 Determine how much General Electric share one must sell and reinvest in Chevron share to reduce the beta portfolio to 1 00 (7) 73 Determine the expected return on the portfolio in Part 7 1 and 72