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 return of 9%. Required: a. What is the proportion y ? b. What are your client's investment proportions in your three stocks and the T-bill fund? c. What is the standard deviation of the rate of return on your client's portfolio? Complete this question by entering your answers in the tabs below. What are your client's investment proportions in your three stocks and the T-bill fund? Note: Do not round intermediate calculations. Round your answers to 2 decimal places. Suppose that your client decides to invest in your portfolio a proportion y of the total investment budget so that the overall portfc will have an expected rate of return of 9%. Required: a. What is the proportion y ? b. What are your client's investment proportions in your three stocks and the T-bill fund? c. What is the standard deviation of the rate of return on your client's portfolio? Complete this question by entering your answers in the tabs below. What is the proportion y ? Note: Round your answer to the nearest whole number. Suppose that your client decides to invest in your portfolio a proportion y of the total investment budget so that the overall portfo will have an expected rate of return of 9%. Required: a. What is the proportion y ? b. What are your client's investment proportions in your three stocks and the T-bill fund? c. What is the standard deviation of the rate of return on your client's portfolio? Complete this question by entering your answers in the tabs below. What is the standard deviation of the rate of return on your client's portfolio? Note: Do not round intermediate calculations. Round your answer to 2 decimal places