Select the true statement about the relationship between law, ethics, and business.

a. People generally have similar opinions on what actions or conduct are called moral, and the marketplace rewards businesses that conduct themselves in such a manner.
b. Each person has a different definition of what is moral or ethical, so it is not possible for businesses to know what qualifies as ethical conduct.
c. The marketplace is generally unconcerned with whether or not businesses conduct themselves morally, since morality is difficult to define.
d. Since morals and ethics are not objective and cannot be specifically measured, the relationship between the value of a business and its ethical conduct is murky at best.