Scenario 10-1 The demand curve for gasoline slopes downward and the supply curve for gasoline slopes upward. The production of the 1,000th gallon of gasoline entails the following: a private cost of $3.10 a social cost of $3.55 a value to consumers of $3.70 Refer to Scenario 10-1. From the given information, it is apparent that a. the production of gasoline involves a negative externality, so the market will produce a smaller quantity of gasoline than is socially desirable. b. the production of gasoline involves a positive externality, so the market will produce a smaller quantity of gasoline than is socially desirable. c. the production of gasoline involves a positive externality, so the market will produce a larger quantity of gasoline than is socially desirable. d. the production of gasoline involves a negative externality, so the market will produce a larger quantity of gasoline than is socially desirable.