Use the Figure Below to Answer the Following Questions

Multiple Choice

Use the figure below to answer the following questions. Figure 5.3.1
-Refer to Figure 5.3.1.If the price is $15 a unit,

A) production is efficient.
B) marginal social benefit equals marginal social cost.
C) deadweight loss is zero.
D) the sum of consumer surplus and producer surplus is maximized.
E) all of the above