The smallest quantity is chosen at the corners of the closed path with negative sign to be assigned at unused cell because.

It does not disturb rim conditions

The smallest quantity is chosen at the corners of the closed path with

1.	The smallest quantity is chosen at the corners of the closed path with negative sign to be assigned at unused cell because.
A.	It improve the total cost
B.	It does not disturb rim conditions
C.	It ensure feasible solution
D.	All of the above
Answer» D. All of the above