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Across 1. Promotion of products and services over the Internet. 5. Certificate that gives customers a saving when they purchase 8. To sell goods and services to those buying for resale (e.g. a shop) 9. Buying and selling by electronic means, primarily on the Internet. 12. Designing and producing the container or wrapper for a product. 13. Offer to pay back part of the purchase price of a product to customers who send a "proof of purchase" to the manufacturer. 16. A reduction in price. 17. Two or more shops or outlets that have the same owner and sell similar lines of merchandise 18. Comparing one's products to those of competitors in order to improve quality and performance. 19. A potential customer. 20. The company with the largest market share in an industry.

Down 2. Service that continues after the sale of a product (maintenance, etc.) 3. A business transaction 4. A large shop or store that carries a wide variety of product lines. 6. A promise that a product will be repaired or replaced if faulty. 7. A group of products that are closely related. 10. Finalize a deal or sale. 11. Group of shops or retail businesses developed and managed as a unit 14. To sell in small quantities, as in a shop, directly to the consumers. 15. To maintain contact after the sale to ensure customer satisfaction.