4. Use the same graph that you used in problem 3 to answer this set of questions. a. If this industry acts like a monopoly, what will be the equilibrium price and quantity in the market? What will be the level of profits? b. Suppose this industry is regulated as a natural monopoly and the regulators set price so that the natural monopolist produces the socially optimal amount of output. What will be the price, quantity, and level of profits for the natural monopoly given this type of regulation? What must the natural monopoly receive from the government in order to be willing to produce the socially optimal amount of the good? c. Suppose this industry is regulated as a natural monopoly and the regulators set price so that the natural monopolist breaks even. What will be the price, quantity, and level of profits for the natural monopolist given this type of regulation