In simplex method, if there is tie between a decision variable and a slack (or surplus) variable, __________ should be selected.

In simplex method, if there is tie between a decision variable and a s

1.	In simplex method, if there is tie between a decision variable and a slack (or surplus) variable, __________ should be selected.
A.	Slack variable
B.	Surplus variable
C.	Decision variable
D.	None of the above
Answer» D. None of the above