9. Afirm is evaluating the performance of two managers running a summer training program. One manager is in a large division with over 100 trainees, while the other is in a small division with only 15 trainees. What is one principle the firm should use in its evaluation? 0 Expect more volatility from the small group. O Expect higher performance from the large group because of scale economies. O Expect higher performance from the smaller group because of closer supervision. 0 Treat them equally, as it's not clear ex ante whether it is an advantage or disadvantage to have a large group