Answer both questions. Full marks are indicated by the side of each question. To answer a question, you can create additional space in the editable parts of this file if needed. In case you have difficulty answering in this file, you may wish to insert images of your answer/working from your own workbook to the editable space provided. Question: 1 Sinle-index Model Estimates X 2 Security Y 1.5 B (e) 3% Given the data for security i (i.e., X, Y and Z) in the table above and the fact that expected rate of return on the market, E(rm), is 8% and standard deviation of market return, om, is 5%, calculate the following: 3 1.3 Z 1% 1 0.8 2% (i) The expected return and risk of each of the securities. [10 marks] (ii) The expected return and risk of a portfolio that invests equally in these securities. [10 marks]