11. Suppose that 68% of your portfolio is invested in Campbell Soup and the remainder is invested in Boeing. You expect that over the coming year Campbell Soup will give a return of 3.5% and Boeing, 9.0%. Assume a correlation coefficient of 1. In the past the standard deviation of returns was 22.8% for Campbell and 15.3% for Boeing. What is the expected portfolio return? 12. Suppose that 68% of your portfolio is invested in Campbell Soup and the remainder is invested in Boeing. You expect that over the coming year Campbell Soup will give a return of 3.5% and Boeing, 9.0%. Assume a correlation coefficient of 1. In the past, the standard deviation of returns was 22.8% for Campbell and 15.3% for Boeing. Calculate the variance and standard deviation of portfolio. 13. If you invest $18,828 at an interest rate of 8.28 percent. How much will you have at the end of eight years? If you use compounding interest