请根据以下内容拟一封报价函: 发信人: William Wilson 收信人:,采购经理 发信日期: 2018 年 5 月 X 日 内容: William Wilson 非常感谢对他们公司生产的 女式真丝衬衫 感兴趣,随函附上最新的商品目录、价目表及服装样品,并告知对方如果购买的数量较大,还可以享受折扣优惠。 参考范例: May. 6, 2017 Dear Mr. David Johnson, I have read your letter of May. 2, and thank you very much for your interest in the jet printers produced by our company. The catalogue and pricelist of our products will be enclosed in this letter . Our company will not only provide best service for you, but also give you discount if you buy a large number of our printers. Thank you again and hope you like our products! Sincerely yours, Peter Kevil