Question $21$

Suppose that electricity producers create a negative externality equal to $\backslash (\backslash$$ $6\backslash )$ per unit. Further suppose that the government imposes a $\backslash (\backslash$$ $8\backslash )$ per$-$unit tax on the producers. What is the relationship between the after$-$tax equilibrium quantity and the socially optimal quantity of electricity to be produced?There is not enough information to answer the question.The after$-$tax equilibrium quantity is less than the socially optimal quantity.They are equal.The after$-$tax equilibrium quantity is greater than the socially optimal quantity.