could someone please solve it with proper detailed steps?

6. Stocks A and B have the following historical returns: Year Stock A's Returns, Stock B's Returns, ry 2013 (18.00%) (14.50%) 2014 33.00 21.80 2015 15.00 30.50 2016 (0.50) (7.60) 2017 27.00 26.30 a. Calculate the average rate of return for each stock during the period 2013 through 2017. b. Assume that someone held a portfolio consisting of 50% of Stock A and 50% of Stock B. What would the realized rate of return on the portfolio have been each year? What would the average return on the portfolio have been during this period? c. Calculate the standard deviation of returns for each stock and for the portfolio. Correlation coefficient is 0.3. d. Calculate the coefficient of variation for each stock and for the portfolio. e. Assuming you are a risk-averse investor, would you prefer to hold Stock A, Stock B, or the portfolio? Why