To answer questions below, use the following graph: SMC SMB Question 3 1 pts Suppose there is an industry that has a negative externality on the production side and a positive externality on the consumption side, so the social marginal cost (SMC in the figure) exceeds private marginal cost (S in the figure) and the social marginal benefit (SMB in the figure) exceeds private marginal benefit (D in the figure). The market equilibrium quantity equals _ _ and the socially efficient quantity equals _ __ (fill in the blanks) O X, X OY , Y O Z, Z OW, W