Chapter 6.10, Problem 2P

Explanation of Solution

Proof:

• Assume that the given constraint is a “$\le$” constraint.
• Hence, “${\text{s}}_{\text{j}}>0$”, if SLACK for row “$\text{j+1}$” is positive.
• For the row “$\text{j+1}$”, the DUAL PRICE is “${\text{y}}_{\text{j}}$”