Which of the following statements regarding competitive marketing intelligence is correct?

A$.$ Marketing intermediaries are not a good source of competitive marketing intelligence

B$.$ Companies should not be concerned about competitor's accessing publicly available information about them.

C$.$ Marketing intelligence information is not available from the U$.$S$.$ government.

D$.$ The goal of competitive marketing intelligence is to improve strategic decision making.

E$.$ Monitoring a competitor's website is unethical.