Security Returns if State Occurs State of Probability of Economy State of Economy Bust Boom Roll -15% 15 Ross 16% 0.30 0.70 Calculate the expected return on a portfolio of 60 percent Roll and 40 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.) Probability Portfolio Return if State of of State of Economy Economy Product State Occurs Bust 0.30 Boom 0.70 E(RP)