Certification of Marketing Researchers Means

Certification of marketing researchers means:

A) marketing researchers who earn the PRC would be the "best" marketing researchers.
B) those having the PRC would be able to charge higher fees for their services.
C) those certified have passed some standard(s) of performance.
D) those holding the PRC would have achieved the maximum standard of performance.
E) those desiring the PRC will have better report writing skills.