а) (2 pоints) A mоnоpolist sets output where demаnd is elаstic or inelastic. Choose one. (b) (6 points) Explain your answer to (a). (c) (12 points) A monopolist has a constant marginal cost of $4 and practices third-degree price discrimination, charging different prices in two separate markets. In Case A and Case B, there is the same total market demand, but the monopolist is just splitting customers in a different manner.Case A,orCase B. Which way of separating customers is more profitable for the monopolist? Explain your reasoning.