Which of the Following Statements Regarding Marketing Intelligence Is True

Which of the following statements regarding marketing intelligence is true?

A) Marketing intelligence is the systematic collection, monitoring, and analysis of publicly available information.
B) The advantage of using competitive intelligence is negligible as it is based only on internal sources of data.
C) Marketing intelligence efforts are more focused on gaining insights into a firm's consumers rather than its competitors.
D) All marketing intelligence inputs are available at no cost to any potential users.
E) Marketing intelligence typically involves sensitive and confidential information kept out of the public domain.