I have asked this quesiton twice and have got wrong answers two times.

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 decimal places. Omit the "%"sign in your response.) Expected return % What is the variance of this portfolio? (Round your answer to 5 decimal places.) Variance of this portfolio The standard deviation? (Round your answer to 2 decimal places. Omit the "%"' sign in your response.) Standard deviation %