Use the Following to Answer Question

Multiple Choice

Use the following to answer question:
Figure: Correcting for Market Failure
-(Figure: Correcting for Market Failure) Use Figure: Correcting for Market Failure.There is an external cost in the market illustrated in the figure,and the two upward-sloping lines reflect private and social marginal costs.Economists argue that,in an unregulated private market,too _____ is produced.In the figure,the supply curve (S₁) reflects _____ marginal cost.

A) little;private
B) much;private
C) much;social
D) little;social and private