Peter,the President of a Small Company,wants His Employees to Be

Peter,the president of a small company,wants his employees to be aware that they should act ethically.Which of the following has proven to be an effective method of improving ethical behaviour in a business firm?

A) Reward managers who have secured an advantage for the firm,even if their behaviour might be seen by some people as unethical.
B) Demonstrate top management commitment to high ethical standards.
C) Do not publicly bring attention to unethical behaviour,but deal with it privately.
D) Fire all unethical employees.
E) Do nothing to reinforce the undesirable behaviour so that it will not be repeated.