Which of the Following Ethical Issues Is (Are) Important in Developing

Which of the following ethical issues is (are) important in developing an approach?

A) When a client asks for proposals, not with the intent of subcontracting the research, but with the intent of gaining the expertise of research firms without pay, an ethical breach has occurred.
B) Proprietary models and approaches developed by a research firm are the property of that firm and should not be reused by the client in subsequent studies without the permission of the research firm.
C) The research firm has the ethical obligation to develop an appropriate approach.
D) All of the issues are important.