One Thousand Ways to Make Money by Page Fox

7. THE MISSING FACTOR.--Your employers are wrestling with a question.

They are uncertain whether to invest or not. They are doubtful about the character or standing of some man with whom they are or may become heavily involved. It will be worth thousands to you if you can procure any scrap of information that will help to set them right. A young clerk who discovered an error in Bradstreet’s was soon admitted to partnership in his employer’s firm.