can you please do all parts

The following ate estimates for two stocks. The market index has a standard deviation of 24% and the risk-free rate is 8%. Required: a. What are the standard deviations of stocks A and B ? b. Suppose that we were to construct a portfolio with proportions: Compute the expected return, beto, nonsystematic standard deviation, and standard deviation of the portfolio. Complete this question by entering your answers in the tabs below. What are the standard deviations of stocks A and B ? Note: Do not found intermed late calculations. Round your answers to 2 decimal places