Jerry Was Zip's Business Services Top Salesperson

Jerry was Zip's Business Services top salesperson. He often sold as much as the rest of the sales staff. After many years, he left for a better offer with a competing firm. Many of Zip's customers moved with Jerry. This illustrates in relationship marketing:

A) companies control the flow of sales
B) customers prefer loyal salespeople
C) customers often have greater loyalty to salespeople than to the firms they represent
D) companies need to pay salespeople more commission
E) customers are unpredictable, requiring sales organizations to adjust strategies as environmental factors alter the marketing landscape