please answer part A-C

You manage a risky portfolio with an expected rate of return of 19% and a standard deviation of 33\%. The T-bill rate is 7%. Your risky portfollo Includes the following irvestments in the given proportions: Suppose that youn client deeddes 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 16%. o. What is the proportion y ? (Round your answer to the nearest whole number.) b. What are your client's investment proportions in your three stocks and the T-bill fund? (Do not round intermediate calculations, Round your answers to 2 decimal places.) c. What is the standard deviation of the tate of return on your client's portfollo? (Do not round intermediate calculations. Round your onswer to 2 decimal places.)