Churn Rate Is a Term That Refers to The

Churn rate is a term that refers to the:

A) average number of recommended titles in a user's queue.
B) rate at which the demand for a product or service fluctuates with price change.
C) number of movie titles that are difficult to assign reliable user ratings.
D) rate at which customers leave a product or service.
E) number of new users that each existing user attracts through word-of-mouth and social sharing.