You have taken this quiz and received a grade of 3 out of a possible 10 points (F). You are allowed to take a second version of this quiz. If you score 7 ormore, you can raise your score to a 7 (C). You will need to study for the second version. In making a rational decision as to whether or not to retake the test, you should

• A. Always retake the quiz
• B. Consider only the marginal benefits from of retaking the quiz (four extra points)
• C. Consider only the marginal opportunity costs from taking the quiz (the time spent studying and taking the quiz)
• D. Consider both the marginal benefits and the marginal opportunity costs of retaking the quiz