You are considering an investment in either individual stocks or a portfolio of stocks. The two stocks you are researching, Stock A and Stock B, have the following historical returns: Year 2014 2015 2016 2012 2018 TA 21.90% 42.00 28.75 14.25 22.00 19.90% 22.50 -16.90 52.00 19.90 a. Calculate the average rate of return for each stock during the 5-year period. Do not round intermediate calculations. Round your answers to two decimal places Stock A: % Stock 8: b. Suppose you had held a portfolio consisting of 50% of Stock A and 50% Stock B. What would have been the realized rate of return on the portfolio in each year? What would have been the average return on the portfolio during this period? Do not round intermediate calculations, Round your answers to two decimal places. Negative values, if any, should be indicated by a minus sign. Year Portfolio 2014 9% 2015 2016 2012 2018 Average return c. Calculate the standard deviation of returns for each stock and for the portfolio. Do not round intermediate calculations. Round your answers to two decimal places PA PA Portfolio Std. Dev. d. Suppose you are a risk averse investor. Assuming Stocks A and are your only choices, would you prefer to hold Stock A, Stock B, or the portfolio? Why? Arisk-averse investor should choose Select: Nince it offers expected return with full