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271.On orders for 100 pieces or more we  allow a special discount of 1.5%.
272.A discount of 5% maybe allowed if the quantity for each specification is more than 1000 sents.
273.For quantities of more than 500 units we can offer a discount of 15% on our price list.
274.We are glad to make a 5% discount for an order of 100 dozen or more.
275.We should be pleased to allow you the requested discount of 5% ,if you are willing to raise your order to 50,000 pieces.

要求：翻译此五句
备注：由于电脑系统从新装，所以昨天就没有发！