LP	MatrixFormat	EX02	3	4
Variable -->	X1	X2	X3	Direction	R. H. S.
Maximize	60	30	20		
C1	8	6	1	<=	48
C2	4	2	1.5	<=	20
C3	2	1.5	0.5	<=	8
C4		1		<=	5
LowerBound	0	0	0		
UpperBound	M	M	M		
VariableType	Continuous	Continuous	Continuous