Unit One Enquiry and Offer (1) Unit Two Enquiry and Offer (2) Unit Three Price Negotiation Unit Four Payment (1) Unit Five Payment (2) Unit Six Iurance (1) Unit Seven Iurance (2) Revision One Unit Eight Packing Unit Nine Complaints and Settlement Unit Ten Investment Unit Eleven At the Showroom Unit Twelve Agency Unit Thirteen Processing Trade Unit Fourteen Compeation Trade Revision Two Appendix Vocabulary References