Dear Sir,
Thank you for your business. You are currently represented in our directory. This is the only directory of its kind which reaches all companies in the building and construction industry in the UK. Advertising in our directory was a wise move on your part. We are currently compiling a new edition of the directory which will be published in May 2010. The new edition will be expanded to include major manufacturers of plumbing equipment in the European Community. For proper coverage in the directory, you ought to appear in more than one category. If you do opt for a multiple listing, you will be able to buy space in additional categories at half price. You can be assured that the new edition will be on the desks of all the major decision makers in the building and hardware trades. Please complete the enclosed form. and return it with the appropriate fee. We assure you of our best services at all times. Enclosure; Forms to finish
Yours Sincerely,
Equipment Magazine
Why does the Equipment Magazine write the letter？
A．To make an advertisement on the new edition
B．To search for further cooperation
C．To ask for the fee
D．To make sure the fulfillment of the form