Consider the following information: a. Your portfolio is invested 31 percent each in A and C and 38 percent in B. What is the expected return of the portfolio? Note: Do not round intermediate calculations and enter your answer os o percent rounded to 2 decimol ploces, e.g., 32.16 . b. What is the variance of this portfolio? Note: Do not round intermediote calculations ond round your answer to 5 decimal places, e.g..16161. c. What is the standard deviation of this portfolio? Note: Do not round intermediate calculations ond enter your onswer as a percent rounded to 2 decimol places, e.9, 32.16