Use the following figure to answer the question : Figure 20-1 : D 1 and S 1 are the private demand and supply curves,of a commodity produced by a competitive firm.S 2 reflects the social marginal cost of production,while S 0 represents the external marginal cost.
-In Figure 20-1,the marginal external cost at the equilibrium output level is:
A)$0.
B)$40.
C)$10.
D)$28.

Question

Use the following figure to answer the question : Figure 20-1 : D 1 and S 1 are the private demand and supply curves,of a commodity produced by a competitive firm.S 2 reflects the social marginal cost of production,while S 0 represents the external marginal cost. 
-In Figure 20-1,the marginal external cost at the equilibrium output level is:
A)$0. 
B)$40. 
C)$10. 
D)$28.

Quizplus · Accepted Answer

The Answer of Use the following figure to answer the question : Figure 20-1 : D 1 and S 1 are the private demand and supply curves,of a commodity produced by a competitive firm.S 2 reflects the social marginal cost of production,while S 0 represents the external marginal cost. 
-In Figure 20-1,the marginal external cost at the equilibrium output level is:
A)$0. 
B)$40. 
C)$10. 
D)$28.

Use the Following Figure to Answer the Question : Figure