How Do Ethical Principles Apply to Businesses

How do ethical principles apply to businesses?

A) They chiefly deal with the actions and behaviors required to operate companies in a socially responsible manner.
B) They chiefly deal with the rules each company's top management and board of directors make about "what is right" and "what is wrong."
C) They are not materially different from ethical principles in general.
D) They are generally less stringent than the ethical principles for society at large.
E) They are generally more stringent than the ethical principles for society at large.