Usage Rate Is

Usage rate is

A) the percentage of total possible users divided by the total number of consumers who actually use a product or service.
B) the number of times a customer uses or recommends a product or service annually.
C) quantity consumed or patronage (store visits) during a specific period.
D) the maximum number of times a customer has used a product or service historically.
E) the profits a firm earns from customers who consume a particular product or service.