Marketing manager ricki stephens reviewed her marketing information system to learn who was buying her company's products and at what stores they were buying. she found this internal and external data in her company's
a. data warehouse.
b. big data set.
c. market research network.
d. annual report.
e. focus group

Letter A is correct. Data warehouse.

Explanation:

Data warehouse acts as a digital data warehouse of the company, whose main purpose is to store relevant information about the organization so that through history it can provide reports that help the company in the decision making process according to the facts found.

The biggest benefits found in the database system are greater flexibility and control of information and research, and the creation of standards that correct data and coordinate and optimize system data to ensure greater effectiveness.