State of Economy	Probability of State of Economy	Portfolio Return if State Occurs		Product
Bust	0.20		%		%
Boom	0.80		%		%
		E(RP)=			%

	Security Returns if State Occurs
State of Economy	Probability of State of Economy	Roll		Ross
Bust	0.20	19	%	20	%
Boom	0.80	30		7

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.)