Microeconomics exam question

A monopoly sells its product in two different cities. In the City A, elasticity E43 and it sells Its product in City B for 4.5 times the price it charges in City A. 50 what is price elasticity in City B? (price discrimination MC is 57 and the price elasticity of demand is -3 Calculate the price level to males prot for a monopoly. There are two consumers with different demand curves. Marginal cost is 510. What would be a possible price to maximise monopoly prot? How do Potential entrants affect the market quantity, price and prot