Figure 10-19 -Refer to Figure 10-19. Note That the Lines Labeled "Demand

Multiple Choice

Figure 10-19
-Refer to Figure 10-19. Note that the lines labeled "Demand" and "Social Value"are parallel. Also, the slopes of the lines on the graph reflect the following facts: (1) Private value and social value decrease by $1.00 with each additional unit of the good that is consumed, and (2) private cost increases by $1.40 with each additional unit of the good that is produced. Thus, when the 59th unit of the good is produced and consumed, social well-being increases by

A) $28.00.
B) $31.40.
C) $33.60.
D) $36.00.