Which of the following serves as a source of internal data for a firm involved in marketing research?

Name: Which of the following serves as a source of internal data for a firm involved in marketing research?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Marketing cost analysis is a source of internal data as it provides information specific to the firm's own marketing efforts and expenditures. Syndicated service firm reports, census data, and business and trade magazines are external sources of data.

Which of the Following Serves as a Source of Internal