Use the Figure Below to Answer the Following Question(s)

Multiple Choice

Use the figure below to answer the following question(s) .
Figure 6-2
-Figure 6-2 illustrates the four possibilities of the structure of production and consumption for a good or service. In which case is the incentive of producers to be efficient and the incentive for consumers to economize the weakest?

A) A
B) B
C) C
D) D