Stew Leonard, the owner/operator of supermarkets, reacts adversely to losing a single customer sale. He feels that this amounts to losing the entire stream of future purchases that a customer is likely to make if he or she remains in the area. This is an illustration of ________.
A) share of customer
B) market share
C) profitability
D) customer lifetime value
E) market share maintenance
Answer: D) customer lifetime value