Use the Following to Answer Question(s): Marginal Benefits and Marginal

Multiple Choice

Use the following to answer question(s) : Marginal Benefits and Marginal Costs

-(Exhibit: Marginal Benefits and Marginal Costs) In the exhibit, more time spent studying economics adds points to economics scores but subtracts points from accounting scores.The marginal benefit of studying economics when the student is at 2 hours is _______ points and the marginal cost is _______ points.

A) 40; 0
B) 30; 10
C) 20; 20
D) 10; 30