A college student owns two securities: Apple and Coca-Cola. Apple has an expected return of 15 percent with a standard deviation of those returns being 11 percent Coca-Cola has an expected return of 12 percent, and a standard deviation of 7 percent. The correlation of returns between Apple and Coca-Cola is 0.81. If the portfolio consist of $6,000 (60%) in Coca-Cola and $4,000 (409) in Apple, a. What is the expected retum of portfolio returns? b. What is the standard deviation of your portfolio retur