The Manager of the Customer Service Division of a Major

The manager of the customer service division of a major consumer electronics company is
Interested in determining whether the customers who have purchased a Blu-ray player made by
The company over the past 12 months are satisfied with their products.Which of the following
Will be a good frame for drawing a sample?

A) Telephone directory.
B) Voting registry.
C) The list of customers who returned the registration card.
D) A list of potential customers purchased from a database marketing company.