同学们,请把下列句子按照对话顺序排序。使用这样的格式来回答:1-3-6-7-等等(这个是错误的是为了方便大家统一格式。 1 Tracy : Let me see... Uh, the price is $300. As you’re an old customer, I’ll give you a 10% discount. 2 Tracy: Hang on, let me check. The price will be $4,500, to your usual port. 3 Tracy: We can get them ready for shipment within two weeks. 4 Tracy: Yes! We set up new inventory controls last year, so we don’t have many backlogs any more. 5 Tracy: Good morning, Michael. What can I do for you this time? 6 Michael: That sounds good. Do you have them in stock? 7 Michael: I need 15 sets of your RN2300 treadmills for our new fitness center. Can you quote me a price? 8 Michael: Perfect. What’s the total CIF price? 9 Michael: Great! As we have more customers now, I need them urgently. What’s the earliest shipping date? 10 Michael: OK. Please let me know when you have them ready.