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26 The graph below shows the marginal social cost (MSC), marginal private cost (MPC), marginal social benefit (MSB), demand (D), and marginal revenue (MR) curves for a monopoly. QLAN'I'I [Y a. (2 points) Identify the monopolist's i. prot-maximizing quantity ii. prot-maximizing price b. (2 points) What market failure is indicated by the graph? Explain. c. (1 point) Identify the socially optimal quantity. d. (2 points) In the case in which the government imposes a per-unit tax equal to the marginal external cost, identify each of the following. i. The dollar value of the tax, using the price labels from the graph ii. The profit-maximizing quantity associated with the tax e. (2 points) Given the monopoly facing the negative externality, would the deadweight loss increase, decrease, or stay the same as a result of imposing the per-unit tax? Explain