B. It shows it in the present tense and are shows a general group, not a specific individual.
Answer:
A. that he has become more comfortable with killing in order to keep his throne
Explanation:
The correct option is D.
Marginal cost refers to the amount of money it cost a company to produce one more of a particular product while the marginal benefit refers to the benefit that is obtained as a result of producing that one extra product. Profit is maximized when the marginal cost equals the marginal benefits.
