阅读下面的电子邮件,回答问题: Dear Sir or Madam, Thank you very much for your letter asking for business partnership with us. We are very sorry to tell you that we are not in the market of table cloth anymore, because the demand in European market is declining dramatically, and it is not profitable for us. However, we do appreciate your interest in the market, and let’s keep in touch. We believe we will have good cooperation in the future, when new opportunities arise. Yours Sincerely, Robert 1、写信人是进口商还是出口商? 2、写信人为什么拒绝了对业务请求?