A knowledge of the production metho

A knowledge of the production methods can be used by the salesman to justify the high price for a small article. Moreover a knowledge of the channels of distribution in general and the channels used by the firm in particular is also essential for successful selling. The salesman should also know something about the law as affecting sales and selling. A knowledge of the firms advertising would help him to base his sales talk on the effect produced by such advertising. A knowledge of freight tariffs and delivery conditions would enable him to assist his customer by saving him unnecessary expenses.