8. If drivers decide to make phone calls without considering thecosts imposed on others, the:

a. marginal social cost curve will lie below

b. the marginal cost of production curve. marginal socialbenefit curve will lie below

c. the marginal social cost curve. number of phone calls madewhile driving will be fewer than the socially optimal quantity.

d. number of phone calls made while driving will be more thanthe socially optimal quantity.