Assume that a customer shops at a local grocery store spending an average of $200 a week, resulting a retailer profit of $10 each week from this customer. Assuming the shopper visits the store all 52 weeks of the year, calculate the customer lifetime value if this shopper remains loyal over a 10-year lifespan. Also assume a 5 percent annual interest rate and no initial cost to acquire the customer.

Describe ways marketers can increase the lifetime value of a customer.