Unit 1 Business Letters Unit 2 Establishing and Promoting Business Relationship Unit 3 Inquiries and Offers Unit 4 Counter - Offers Unit 5 Conclusion of Business Transactions Unit 6 Payment Unit 7 Establishment, Amendments and Extensions of L/C Unit 8 Shipment Unit 9 Insurance Unit I0 Claims and Settlement of Claims New Words and Phrases Appendix Key to Unit Exercises