Please help! the second part is correct just need part a.

Consider the following information Rate of Return If State Occurs State of Economy Boom Bust Probability of 62 .38 Stock A 09 20 State of Economy Stock B Stock C 17 10 35 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 percent rounded to 2 decimal places, e.g., 32.16.) Expected return b. What is the variance of a portfolio invested 16 percent each in A and B and 68 percent in C? (Do not round intermediate calculations and round your answer to 6 decimal places, e.g., 32.161616.) Variance 017482