Which of the Following, If True, Most Clearly Makes Beatty's

Which of the following, if True, most clearly makes Beatty's action professionally unsupportable?

A) The supplier's low prices have helped the computer company remain competitive with rival companies in its local market.
B) The supplier needs continued business from the computer company to remain financially viable.
C) Beatty is not the only person responsible for recommending which bids to accept from suppliers.
D) Beatty's work contract states that employees must report all gifts from people associated with firms with which they do business.
E) Rumor has it that other employees also received similar gift cards from the supplier and did not report them.