Figure: Marginal Benefits and Marginal Costs
(Figure: Marginal Benefits and Marginal Costs) Look at the figure Marginal Benefits and Marginal Costs.As shown, more time spent studying economics adds points to economics scores (MB) but subtracts points from accounting scores (MC).The marginal benefit of studying economics when Claudia studies for 4 hours is ________ points and the marginal cost is points.
A.30; 30
B.20; 10
C.20; 20
D.30; 10

Question

Figure: Marginal Benefits and Marginal Costs
   (Figure: Marginal Benefits and Marginal Costs) Look at the figure Marginal Benefits and Marginal Costs.As shown, more time spent studying economics adds points to economics scores (MB) but subtracts points from accounting scores (MC).The marginal benefit of studying economics when Claudia studies for 4 hours is ________ points and the marginal cost is points. 
A.30; 30
B.20; 10
C.20; 20
D.30; 10

Quizplus · Accepted Answer

The Answer of Figure: Marginal Benefits and Marginal Costs
   (Figure: Marginal Benefits and Marginal Costs) Look at the figure Marginal Benefits and Marginal Costs.As shown, more time spent studying economics adds points to economics scores (MB) but subtracts points from accounting scores (MC).The marginal benefit of studying economics when Claudia studies for 4 hours is ________ points and the marginal cost is points. 
A.30; 30
B.20; 10
C.20; 20
D.30; 10