Historical Realized Rates of Return You are considering an investment in either individual stocks or a portfolio of stocks. The two stocks you are researching, Stocks A and B have the following historical returns: Calculate the average rate of return for each stock during the 5-year period. Round your answers to two decimal places. Stock A % Stock B % Suppose you had held a portfolio consisting of 50% of Stock A and 50% of 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? Round your answers to two decimal places. Calculate the standard deviation of return for each stock and for the portfolio. Round your answer to two decimal places. Enter negative returns with a minus sign. Suppose you are a risk-averages investor. Assuming Stock A and B are you only choices, would you prefer to hold Stock A, Stock B, or the portfolio