Lena is the CEO of a multinational corporation. When her subordinates fail to meet one of her expectations, she promptly fires them. While doing so, she does not think about how beneficial that employee has been to her business over the years. In this scenario, which of the following levels of ethical development is best illustrated? A. Postconventional morality B. Preconventional morality C. Act utilitarianism D. Conventional morality