Why Are Many Retail Firms Interested in Customer Loyalty Cards

Multiple Choice

Why are many retail firms interested in customer loyalty cards and programs?

A) Sales are equally divided among heavy,medium,and light users,but they all need slightly different products.
B) Roughly 20 percent of a firm's customers purchase 80 percent of the sales volume of the product.
C) Roughly 80 percent of the profit comes from 20 percent of the sales.
D) Roughly 80 percent of a firm's customers are repeat business.