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Categorize each seller below on the basis of the type of market it operates in. a. A seller of Canadian dollars in foreign currency markets operates in a(n) (Click to select) market. (Click to select) b. A national postal service offering daily door to door delivery operates in oligopolistic market. monopolistic c. A freelance bookkeeper in a metropolitan area operates in a(n) (Click to s perfectly competitive monopolistically competitive d. A maker of a globally popular cold remedy operates in a(n) (Click to select) V market