How to write a perfect sales letter

For many companies succesful marketing begins with the successful sales letter. How to write the perfect sales letter?

Read through the following text (second part) on how to write the perfect sales letter.
to Mark McCormack, author of What They Don't Teach You at Harvard Business School, different levels of management are responsive to different sales . Senior management is usually for strategic solutions to long-term problems which fit in with their goals. Middle managers want tactical answers to departmental problems which will make their lives simpler and which they can easily justify to their bosses. What junior executives need is technical help to immediate problems. Adapt your proposal accordingly.
If you've got three proposals to make to a customer, send three short letters of one long one. It saves the reader having to wade through a document and it obviously makes it easier to pass the proposals on to the appropriate people. Above all, it makes an impression. It shows style.
Some of the best sales letters don't look like sales letters at all. Get someone in your research department to write you a memo how, with your help, your prospect's company could be improving its business.Then send the memo on to the company explaining how you thought it might be of interest. Make your sales letter sound like "inside information" and you'll make it compulsive reading.
Remember, there's no a thing as a good sales letter that nobody reads. And since the meaning of the message is the it gets, you can go a long way towards anticipating the response you'll get before you write a single word.