1. Answer any three parts of Question 1. All questions carry equal marks. Your answer for each part should be no longer than two pages long. (a) Consider Portfolio 1 and Portfolio 2. Both portfolios have a beta of 1.6. The standard deviation of Portfolio 1 is 12%, and Portfolio 2 standard deviation is 18%. What does this information tell you about the position of both portfolios with respect to the capital and security market lines? Explain your answer. (b) Describe and graphically illustrate Markowitz's portfolio optimization solution if a risk-free asset is not available. (c) Consider Table 1. Calculate the expected return and standard deviation risk of a portfolio comprised of stock 1, stock 2, stock 3, and stock 4. Detail all calculations. Stock 1. Stock 2 Stock 3 Stock 4 Expected return (%) 7% 10% 9% 5% Stock 1 Table 1 Standard deviation (%) 9% 11% 8% 5% Covariance Matrix Stock 2 Stock 3 Weight (%) 0.3 0.2 0.4 0.1 Stock 4