14 Brett is deciding whether or not to drop one of the college courses in which he is currently enrolled. If he drops the course, he will forfeit half of the money spent on tuition. However, by dropping the course, he can increase the number of hours he works each week. Which of the following statements is accurate based on Brett's situation? 1. Remaining in the class incurs an opportunity cost equal to Brett's foregone wages. II. The tuition is irrelevant to the decision because it is a sunk cost. III. The time and energy put into the course thus far is a sunk cost. a a (2 Puan) O I and II only ho O I and Ill only O II and III only O