Solve the following questions using the data given below 2-) Portfolio 2i X(30%)Y(40%)Z(30%) a-) Find the Standard Deviation and the Expected Return of the portfolio Fill the following variance covariance matrix (just the numbers up to 2 decimal points) b-) Find the market, HML, and SMB betas of the portfolio. c-) What are the required rate of returns of the portfolio based on CAPM and FF3 factor models, respectively