Security Returns if State Occurs State of Economy Probability of State of Economy Roll Ross Bust 0.50 −19 % 12 % Boom 0.50 19 5 Calculate the expected return on a portfolio of 35 percent Roll and 65 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.)