Mokhtar S. Bazaraa and C.M. Shetty are Professors Emeriti at Georgia Institute of Technology. Hanif D. Sherali, the lead author, is a W. Thomas Rice Chaired Professor of Engineering in the Grado Department of Industrial and Systems Engineering at the Virginia Polytechnic and State University. He and Dr. Bazaraa are co-authors of a complementary best-selling book at Wiley on linear programming (LP). Solutions prepared by Joanna Leleno.