When comparing internal and external customers, one finds that: I. The requirements of both must be clearly defined II. Feedback is essential in both areas III. An external customer may have more flexibility to seek a different supplier IV. There are no significant differences Group of answer choices II and III only I, II, III and IV I and II only I, II and III only Consumer partnerships have which of the following characteristics: I. Generosity between partners II. Sharing of goals III. Not concerned with details of fairness IV. Clear and precise modes of operation Group of answer choices I, II, III and IV I and II only I, II and III only II and III only