Question 4: Draw the CAL of your portfolio on an expected return-standard deviation dingrm. What is the slope of the CAL? Show the position of your client on your fund's CAL. Question 5: Suppose that your client decides to invest in your portfolio a proportion y of the total investment budget so that the overall portfolio will have an expected rate of retum of 16%. a. What is the proportion y ? b. What are your client's investment proportions in your three sodks and the T-bill fund? c. What is the standard deviation of the rate of retum on your clicnt's portfolio? Question 6. Recently you have been approached by one of your clients demanding he needs more retums beyond 18%. Show how it is possible to achieve such target? You have to also convince him by showing him that this action will rather increase the risk level significantly. Question 7: Consider the following information about a risky portfolio that you manage and a risk-free asset: L(rP)=11%,P=15%,rf=5%. a. Your client wants to invest a proportion of her total investment budget in your risky fund to provide an expected rate of retum on her overall or complete portolio equal to 8%. What proportion should she invest in the risky portfolio, P, and what proportion in the risk-free asse? b. What will be the standard deviation of the rate of retum on her porfolio