求英语好的大神帮助：以下是一封商务信函的重要信息，请用混合格式写这封商务信函。

Dears sir/madam：
The purpose of this letter is to confirm whether your company has paid 10000 dollars for the products in May 16th 2008, which has already been deposit to our company's bank account. Thank you for cooperation on this deal, and we promise that we always offer you the best and immediate services. We really appreciate that you will reply us as soon as you receive this letter.
sincerely yours
Lee Pingzhou
英语商务信函的公司地址不用显示在信函内，其他部分已精心为您写好，希望您满意！