The wheel division needed bearings for garden tractor wheels.It normally buys its bearings from an outside supplier for 25 per set. The company is top management recently initiated a campaign to persuade the different divisions to buy their materials from within the company whenever possible. As a result, Hank Sherril, the purchasing manageer for the Wheel division. received a letter from the vice president of Purchasing, ordering him to contact the Bearing Division to discuss buying bearings from this division.