Consider the following information: rate of return if state occurs state of probability of economy state of economy stock a stock b stock c boom .15 .33 .43 .34 good .50 .20 .14 .08 poor .30 −.01 −.09 −.03 bust .05 −.17 −.29 −.10 a. your portfolio is invested 32 percent each in a and c, and 36 percent in b. what is the expected return of the portfolio? (do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e. g., 32.16.) b-1. what is the variance of this portfolio? (do not round intermediate calculations and round your answer to 5 decimal places, e. g., .16161.) b-2. what is the standard deviation? (do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e. g., 32.16.)