Company A has a formal comprehensive corporate code of ethics while company B does not.
Which of the following statements regarding the existence of the code of ethics in company A can be logically inferred?
I. Company A exhibits a higher standard of ethical behavior than does company B.
II. Company A has established objective criteria by which an employee's actions can be evaluated.
III. The absence of a formal corporate code of ethics in company B would prevent a successful audit of ethical behavior in that company.