The answer is C. Oh, and I found a resource to back it up:
Answer:
A duty is what you owe to your fellow human as a fact of nature, and an obligation is what has been imposed by contract or custom. Generally, one is “obliged,” or “obligated,” by agreement or because of having received a benefit. If you take candy from a store, you have an obligation to pay for it.
Abels Enterprises is likely a closely held corporation because shares of stock are not offered to the general public.
Since Abels Enterprises is a closely held corporation, it has a limited number of stockholders and its stocks are rarely exchanged.
Paying Indians. Hope this helps.