Assume that the expected returns for stock 1, 2, 3, and 4 are 10%, 8%, 6%, and 9% respectively. The amounts invested are RM20,000, RM30,000, RM40,000, and RM10,000 respectively. Calculate the expected rate of return of the portfolio. Project Beta Ketengah Ketepi Kekiri Kekanan Amount of investment (RM) 20,000 30,000 40,000 10,000 Expected rate of return (%) 10 8 6 9 1.2 0.8 0.5 1.1 From the above information; a. Calculate expected rate of return of these portfolio b. Calculate beta of these portfolio. C. Interpret your findings