Caroline, the manager of a nationwide jewelry store collects transaction data from all the stores to determine how necklaces made of plastic (with a metal coating) are selling relative to necklaces made of metal. The gathering of factual statements to understand what is happening is an example of marketing research in its _____ role.
a. diagnostic.
b. predictive.
c. factual.
d. perceptual.
e. mapping.
f. descriptive.