Security Returns it State Occurs Probability of State of Economy State of Economy Bust Boom Roll -164 27 Ross 208 7 -70 Calculate the expected return on a portfolio of 45 percent Roll and 55 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.) Portfolio Return if State Occurs Product State of Probability Economy of State of Economy Bust 30 Boom 70 % % ER se