. Daimler Chrysler and General Motors vigorously compete with each other in many automobile and truck markets. When Jose Ignacio Lopez was vice-president of purchasing for GM, he made it very clear that his buyers were not to accept luncheon invitations from suppliers. Thomas Stalcamp, head of purchasing for Chrysler before the merger with Daimler, instructed his buyers to take suppliers to lunch. Rationalize these two directives in light of supply-chain design and management.