Using the information in Table 4.1 for the following investments: 0.2 20% -3% 0.5 11 11 0.3 3 32 Table 4.1 Compute the following: 4.2.1 expected return 4.2.2 standard deviation (7 Marks) Probability rABC RRST 4.2.3 Suppose you form a portfolio that consists of 70% Investment ABC and 30% Investment RST. Compute the expected return and standard deviation of the portfolio. (6