2. (20 points) Stock A has had the following monthly prices and dividends: a) Calculate and show the holding period return each month for stock A. b) What is the average monthly return for stock A (Simple Mean)? c) What is the standard deviation of returns for stocks A ? d) If you invested $100 in stock A at time 0 and sold all you holdings at the end of time 3 how much would you have in cash? 3. (10 points) The table below give you the returns of stock A and stock B under different states and the probability of different states. a) What is the expected return (Ex ante Return) of stock A and stock B? b) What is the expected standard deviation (Ex ante Standard Deviation) of stock A and stock B