Hallie is a calculating, self-centered salesperson. She never engages in relationship marketing. She looks on any sales situation as a "win-lose" situation, and she believes any legal method she can use is justified when she wins. Hallie is most likely at the ______ stage of ethical development.
A. preconventional morality
B. transformationalism
C. conventional morality
D. egocentrism
E. basic morality