Answer: b) the principles or rules that people use to decide what is right and wrong.
Explanation: Moral philosophy is is the study of moral claims that define their justification , explanation ,meaning or definition.It helps in defining and evaluating about the incident, events, practices etc that are conducted are right or wrong
Other options are incorrect because every environment follows this not just in organization and it is not used for making legislation. It does not describe the morals and legal factor of business .Thus, the correct option is option(b).