Which of the Following Is FALSE

Which of the following is FALSE?

A) Effective segmentation demands that firms group their customers into relatively homogenous groups.
B) A common segmentation base for firms selling industrial goods takes into account the industry designation(s) of its customers.
C) Firms selling consumer goods normally target individual customers.
D) The main disadvantage of secondary data over primary data is that the data may not always ideally fit the needs of the user.
E) Secondary data are typically much less expensive than primary data.