Given the risk and return profile for the following three assets a. Calculate the expected return and variance for portfolio A: with 50% Treasure +50% TSLA (10pt) b. Calculate the expected return and variance for portfolio B: with 60%J&J+40% TSLA, assume the correlation between the two is 0.75. (10pt) c. Based on Sharpe ratio, discuss which one of the aforementioned portfolios is more attractive. (10pt)