Your portfolio is invested 20 percent each in Stocks A and C and 60 percent in Stock B. What is the expected return of the portfolio? Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimali places.) b-1. What is the variance of this potfolio? (Do not round intermediate calculations. Round your answer to 5 decimal places.) Variance b-2. What is the standard deviation? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.)