Suppose you are a monopolist and you have two​ customers, A and B. Each will buy either zero or one unit of the good you produce. A is willing to pay up to ​$ for your​ product; B is willing to pay up to ​$. You produce this good at a constant average and marginal cost of ​$. If you could not engage in​ third-degree price​ discrimination, what price would you​ charge? A. ​$. B. ​$. C. ​$. D. ​$. If you could practice​ third-degree price​ discrimination, you will earn a profit of ​$ nothing. ​(For ​simplicity, assume that if a consumer is indifferent between buying and not​ buying, he will buy​.)