Stock X has a beta of 1.5 and standard deviation of 45%. A risk-free rate is 5% and an expected return on the market portfolio is 12%. a. What is the expected return of Stock X? b. You would like to find a portfolio on the capital market line that has the same expected return as Stock X. How much must you invest in the market portfolio? c. What is the standard deviation of the portfolio you constructed from the part b? d. Compare the standard deviation of the portfolio you constructed (your answer from part c) and the standard deviation of Stock x. Why does Stock x have a higher standard deviation?