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. What is the population of interest?

A.	all the customers who have used a Blu-ray player over the past 12 months
B.	all the customers who have ever bought a Blu-ray player made by the company
C.	all the customers who have bought a Blu-ray player made by the company over the past 12 months
D.	all the customers who have bought a Blu-ray player made by the company and brought it in for repair over the past 12 months