Security Returns if State Occurs State of Economy Bust Boom Probability of State of Economy .30 .70 Roll -17% 17 Ross 18% 5 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 of State of Portfolio Return if State Occurs Product Economy Economy .30 % Bust Boom .70 % % E(R) % %