Suppose that smoking creates a negative externality. If the government imposes a per-cigarette tax equal to the per-cigarette externality, then Group of answer choices the after-tax equilibrium quantity of cigarettes smoked will be less than the socially optimal quantity of cigarettes smoked. the after-tax equilibrium quantity of cigarettes smoked will be greater than the socially optimal quantity of cigarettes smoked. the after-tax equilibrium quantity of cigarettes smoked will equal the socially optimal quantity of cigarettes smoked. There is not enough information to answer the question.