Which of the Following Best Describes a Customer Lifetime Value

Which of the following best describes a customer lifetime value (CLV) ?

A) CLV is the value placed upon a retailer by a consumer.
B) CLV is a numerical value of how much a "best customer" shops.
C) CLV is what a customer contributes to a retailer's profits over their entire relationship with the retailer.
D) CLV is an assessment of how many valued customers shop with a retailer.
E) CLV is what retailers use to rate the value of guaranteed merchandise.