英语翻译有个好消息要告诉你,你的价格我们可以达到了,因为公司通过关系购买了价格很优惠的配额（quota）.如果你开信用证（L/C)的话,价格会比较高,各种程序也非常繁琐.如果你可以接受A,价格方面我们也许还会给你优惠一些.

One good news for you. We can reach your price, because the company bought the quota at a very good price through connections.
If you open (L/C), the price will be higher, the procedures will be many and misellaneous with trifles too. If you can accept A, we may give you a better price.

We have some good news for you, that is, we can make your price. Through connections, we were able to buy the quota with a reasonable price.
However, if you wish to use an L/C, the price will be a little higher, and the process much more complicated and tedious. If you could accept A, we will probably offer you a better price.

Good News for you.We accept your price,because our company purchased more better quota according to relationship.
If you issue the L/C,the price will be higher and the procedures are very complicated.If you accept A,maybe we can give you more lower price.