Answer:
annual message sent out from the president
Explanation:
The correct answer is A) effect. The verb is 'to affect', but the noun is 'effect'. You can affect someone by doing something, or you can have an effect on them.
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.
The type of idea is Implicit