286. In order to help you to develop business in this line, we are prepared to offer you a discount of 5%

为了帮忙你方发展这一行业的生意，我们愿提供5%的折扣。

287. In order to wind up this transaction with you, we are ready to take 3% off this original quotation.

为了成交，我们准备按愿报价消减3%。

288. After careful consideration, we decided to bring the price down to $420 per unit.

经过认真考虑，我方决定每套降至420美元。

289. We are prepared to offer our computers to you at the special discount rate of 15%

我们准备按特惠价格供应贵方计算机，给你们打15%的折扣。

290. Our quotation is subject to 5% commission.

我们的报价有5%的拥金。