Consider the following information: Required: (a) What is the expected return on an equally weighted portfolio of these three stocks? (Do not round intermediate calculations. Enter your answer as a percentage rounded to 2 decimal places (e.g., 32.16).) (b) What is the variance of a portfolio invested 27 percent each in A and B and 46 percent in C? (Do not round intermediate calculations. Round your answer to 5 decimal places (e.g., 32.16161).)