Security Returns If State Occurs State of Probability of Economy State of Economy Bust Boom .70 .30 Roll -15% 15 Ross 16% 6 6:07 Calculate the expected return on a portfolio of 60 percent Roll and 40 percent Ross by filling in the following table: (Negative values should be indicated by a minus sign. Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places. Omit the "%" sign in your response.) State of Probability of Portfolio Return Economy State of Economy If State Occurs Product Bust 30 Boom 70 ERp)