Project manager mary ann is not a member of pmi but has applied for pmi certification. she has a meeting with the representative of a potential seller, and gets into an argument with the representative. mary ann loses her cool and yells at the representative and tells him to "get out of her office." which of the following is true about mary ann’s conduct? a. it is a violation of pmi’s code of ethics and professional conduct. b. since mary ann is not a member of pmi, she is not subject to the code of ethics and professional conduct. c. while not a per se violation of pmi’s code of ethics and professional conduct, mary ann should aspire to a better standard of conduct. d. it is not a violation of the institute for supply management’s principles and standards of ethical supply management conduct.