The letter is an order for cotton prints(印花棉布). Read the sample and answer the following questions: 1.Is the writer of this letter the buyer or seller? A. Buyer B. Seller 2.According to the letter, which city is the seller's company in? A. Shanghai B. China C.Stockton D.USA 3. What is enclosed in this letter. 4. In the body of this letter, we cannot find any details of "quantity, price, method of payment, shipment" and so on. Where can such information be found? 5. What should the receiver send back if he wants to strike a deal.