Security Returns if State Occurs State of Economy Bust Boom Probability of State of Economy 0.20 0.80 Roll -19% 30 Ross 20% Calculate the expected return on a portfolio of 70 percent Roll and 30 percent Ross by filling in the following table: (A negative value should be indicated by a minus sign. Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places.) State of Probability Economy of State of Portfolio Return if Product State Occurs Economy 0.20 0.80 Bust Boom E(RP)