Customer loyalty programs focus on developing a strategy that is based on:
A. selling more of the firm's product or service to the existing customer base.
B. selling in areas or to groups previously not served by the business.
C. selling existing customers a product or service they have never bought before.
D. adding new products or services to the firm's existing collection of offerings.
Answer: A. selling more of the firm's product or service to the existing customer base.