Answer: Inquiry
Step-by-step explanation:
According to the given question, by using the procedure of the business process for making the various types of decisions and the Trevor should perform the inquiry process for determining the ethical and some legal issues.
The inquiry is one of the type of approach that is helps in developing the problem solving ability and also the information processing.
It is the process that has ability for resolving various types of problems or ussies by implementing a compliance policies.
Therefore, Inquiry is the correct answer.