User: Three major approaches to thinking about business ethics are the conventional approach, the principles approach, and the ethical tests approach. Which of the following describes the principles approach? A. It involves comparing a decision or practice with prevailing norms of acceptability. B. It involves a set of practical questions that do not require deep moral thinking but can help clarify an appropriate course of action. C. It is based on a moral philosophical concept, guideline, or rule that can be applied to assist in making an ethical decision. D. It is based on legal mandates and regulations to guide decisions.