8. Lesson 5 (Chapter 6) question. Highlight one correct answer. Chef Aaron is preparing beef loin for a banquet of 100 people. He knows that the standard portion size for each guest will be 8oz and that he needs to make 100 portions. In his previous experience, he always cooked this dish for smaller banquets. To find out how much of the beef loin to purchase for 100 people, it is very helpful to know A) lb, cost factor B) yield factor C) portion cost factor D) cost percentage