You have entered into a contract with Azam to supply your business with photocopy paper. You have known Azam for a long time and find him to be a reliable supplier of office supplies, though you have never bought paper from him before. A few days later, Azam discloses that he was acting as an agent for a paper manufacturer that you have never heard of. Can you enforce the contract against the paper manufacturer? Against Azam? Can the paper manufacturer enforce the contract against you?