The difference between customer lifetime value and customer equity is that

a$.$ customer lifetime value focuses on purchases over the next year, while customer equity takes into account a longer time horizon.

b$.$ customer equity takes a financial approach where customer lifetime value does not.

c$.$ customer lifetime value looks at specific target markets.

d$.$ customer equity takes into account a firm's current and future customers and the costs associated with each.

e$.$ customer equity reflects the total stream of purchases that a customer could contribute to a company over the length of the relationship.