A market has the inverse demand curve PD (q) = 300 g and an inverse supply curve of P9011) = 3:}, but a total negative externality of E (q) = 60q. (a) Find the competitive equilibrium in this market. (b) Find the marginal social value curve (the sum of the marginal externalities and inverse demand). (c) Find the surplus-maximizing quantity. (d) Calculate the deadweight loss of the competitive equilibrium. (e) Find the optimal per-unit tax for this market. Repeat parts (c) through (D assuming there is actually a positive externality E(q) = 60.21