Given the following information, calculate the expected return and standard deviation for a portfolio that has 29 percent invested in Stock A, 23 percent in Stock B, and the balance in Stock C. (Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places. Omit the "%" sign in your response.) Returns State of Probability of Economy State of Economy Stock A Stock B Stock C Boom .30 12 % 19 % 22 % Bust .70 15 0 15