The Textbook Identifies Several Prospecting Criteria

The textbook identifies several prospecting criteria.Which of the following is NOT identified by the authors of the textbook as one of those criteria?

A) concentrate on high-potential customers before low-potential customers
B) if you observe a salesperson at a competitive firm who seems to have an effective prospecting method, don't be afraid to copy it
C) always call back on prospects who did not buy
D) when you have a new product, don't restrict yourself to only your present customers
E) customize a prospecting method that suits the needs of your individual firm