Security Returns if State Occurs
State of Economy	Probability of State of Economy	Roll		Ross
Bust	0.60	17	%	13	%
Boom	0.40	20		5

Calculate the expected returns for Roll and Ross by filling in the following table:

		Roll					Ross
State of Economy	Probability of State of Economy	Return if State Occurs		Product			Return if State Occurs		Product
Bust	0.60	(17)	%		%		13	%		%
Boom	0.40	20	%		%		5	%		%
		E(R)=		(2.20)	%		E(R)=s		9.80	%