Lesson One The Strucure and Form of a Business Letter Lesson Two Estabishment of Business Relations Lesson Three Enquiry Lesson Four Offer Lesson Five Counter-offer Lesson Six Order Lesson Deven Sending a Sales contract Lesson Eight Refusing Payment by 30 Days L/C Lesson Nine Proposing Payment by D/A Lesson Ten Modifying Terms of Payment Lesson Eleven Urging Establishment of L/C Lesson Twelve Amending L/C Lesson Thirteen Asking for Extension of L/C Lesson Fourteen Packing Requirments Lesson Fifteen Shipping Advice Lesson Sixteen Partial Shipment and Transshipment Seventeen Insurance Lesson Eighteen Claims Translation of the Texts Key to the Exercises