Which of the Following Statements Is True About Ethical Issues

Which of the following statements is true about ethical issues?

A) Academic selling or purchasing dissertations, essays, book reports, and research papers is an ethical practice.
B) It is unethical for a business to withhold income taxes from an employee's earnings and send them to the federal government.
C) Codes of ethics help employers anticipate every situation that arises in the organization.
D) Unethical behavior can be prevented by merely establishing a code of ethics.
E) Ethics training is "perishable" because individual and organizational memories are imperfect.