Your company, a provider of cleaning services to retail stores, failed to win contracts with several major customers. The firm's database expert believes there were flaws in the proposals developed for those customers. In a memo to the CEO, she argues that the proposals should not have been based on industrial classification data. Which of the following points does she make?
a. The number of sectors included in industrial classification data is always changing.
b. Industrial classification data is frequently outdated.
c. Industrial classification data is novel and untested.
d. The basis for classifying different industries is unclear.
e. Industrial classification data is collected by the Census Bureau.