AT&T has a marketing research department that regularly collects customer information from numerous sources including: sales invoices,salesperson expense accounts,warranty cards,etc.This is an example of a firm's
A)external published secondary source.
B)internal secondary source.
C)external commercial secondary source.
D)the firm is not collecting primary of secondary but tertiary data.
E)None of the above.

Question

Quizplus · Accepted Answer

The information collected by AT&T's marketing research department is from internal sources, such as sales invoices, salesperson expense accounts, and warranty cards. Therefore, it is classified as internal secondary source data.

AT&T Has a Marketing Research Department That Regularly Collects Customer