Because this is the first time that we cooperate with each other,so I can provide preferential treatent to you,just according to the price you said--120 each.
Since it's the first time we do business together, I will offer you some discounts. Let's make a deal with your suggested price, which is 120 yuan per item. 不明白的再问哟,望及时采纳,多谢!
for it's the first time that we work together,I can give you a faviourable price as what you've mentioned--120 per copy... 额,不是高手,大概就这样吧。表示不学英语以后成文盲了……