Consider the following information: a. Your portfolio is invested 25 percent each in A and C, and 50 percent in B. What is the expected return of the portfolio? (Round your answer to 2 declmal pleces. Omit the "\%" slgn In your response.) b- 1. What is the variance of this portfolio? (Round your answer to 5 declmel pleces.) b- The standard deviation? (Round your answer to 2 declmal pleces. Omlt the "\%/" slgn 2. In your response.)