a. What is the expected return on an equally weighted portfolio of these three stocks? Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16. b. What is the variance of a portfolio invested 22 percent each in A and B and 56 percent in C ? Note: Do not round intermediate calculations and round your answer to 5 decimal places, e.g., 16161