Please answer all parts of the question. Thank you :)

Please explain all parts of the question.

1. Consider the following six months of returns for two stocks and a portfolio of those two stocks where you invest 50% of your wealth in Stock A and 50% in Stock B. Jan 2% Feb 5% -3% Apr 3% Stock A Stock B Mar -6% 8% May -2% 4% June 4% -2% 0% - 1% Portfolio a. What is the expected return and standard deviation for each of the two stocks? b. What is the expected return and standard deviation for the portfolio? c. Is the portfolio more or less risky than the two stocks? Why? Explain