Diane Blanchard is in charge of purchasing for Best Produce Ltd. (BP), a wholesale dealer in fruit and vegetables. She is informed by the Receiving Department that BP has just received a large shipment of tropical fruit from a supplier, Tropical Delights Ltd. (TD), who has been reliable in the past. Not only is the shipment significantly short, but the quality is poor and about 20 percent cannot be used. Identify the informal steps Diane could take to address this problem.