ABC Co. Ltd. Gentlemen, We are sure that you would be interested in the new 'Changling' Vacuum Cleaner which is to be placed on the market soon. Most of the good points of the earlier types have been incorporated into this machine which possesses, besides, several novel features which have been perfected by years of scientific research. You will find that a special mechanical device enables it to run on slightly more than half the current required by machines of equal capability. Further, most of the working parts are readily interchangeable and, in the event of their being damaged, they are thus easy to replace. The special advantages it offers will make it a quick-selling line, and we are also ready to cooperate with you, by launching a national advertising campaign. Moreover, we are ready to assist to the extent of half the cost of any local advertising. Bearing in mind the rapid turnover which is likely to result, you will agree that the 5 per cent commission we are prepared to offer you is extremely generous. You will find enclosed instructions describing this vacuum cleaner and we look forward to your agreeing to handle our product as the sole agent in your district. Yours faithfully, (Signature) XYZ Industrial Company LTD What is the purpose of this letter? To ask ABC Co. Ltd., whether they would like to act ______.