Answer:
C. market research study
Multiple choice
A. a census bureau report
B. newspaper articles from a national source
C. market research study
D. his company’s financial statements
E. networking contacts
Explanation:
An internal source of information refers to data coming from within the business. It information that a business already has in its possession. Secondary data is information that was collected for a different purpose but found relevant in the current study.
From the list provided, the market research study is an internal source of secondary data. The restaurant manager can refer to it in his current study.