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.When the student studies economics for 4 hours, the marginal benefit is _______ ; when the student studies for 6 hours, the marginal benefit is _______.
A) 20; 10
B) 30; 10
C) 20; 0
D) 20; 30

Question

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.When the student studies economics for 4 hours, the marginal benefit is _______ ; when the student studies for 6 hours, the marginal benefit is _______.
A) 20; 10 
B) 30; 10 
C) 20; 0 
D) 20; 30

Quizplus · Accepted Answer

The marginal benefit is the additional benefit received from an additional unit of an activity. At 4 hours, the increase in economics score represents the marginal benefit of studying for that additional hour, which is 20 points. At 6 hours, the increase is only 10 points, indicating the marginal benefit of studying for the sixth hour.

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