Unit 1 Modern Business Letters Unit 2 Establishing Business Relations Unit 3 Enquiry Unit 4 Firm Offer & Non_firm Offer Unit 5 Counter_offer & Orders Unit 6 Confirmation & Acceptance Unit 7 A Sales Confirmation Unit 8 A Sales Contract Unit 9 Payment & Letters of Credit Unit 10 Examination of a L/C Unit 11 Shipment Unit 12 A Bill of Lading Unit 13 Insurance Unit 14 Packing Unit 15 Complaints and Claims Unit 16 Electronic Commerce Appendix Key to the Exercises