4. (6 Points) Demand is given by P=2000.2Q and marginal costs are given by MC=40+0.2Q. a. If this is a perfectly competitive market what will be the price and quantity? Show your work. P= Q= b. If this firm is a single price monopolist what is the marginal revenue function? MR= c. If this firm is a single price monopolist calculate the price and quantity. Show your work. P= Q= d. If this firm is a single price monopolist calculate deadweight loss. Show it graphically. DWL= e. If this firm is a monopolist that can perfectly price discriminate what will be the price and quantity? What will be consumer surplus, producer surplus, and deadweight loss? P= Q= CS= PS= DWL =