Answer:
The correct answer is (a)
Step-by-step explanation:
The U.S is considered as one of the major global economies in the world which controls the international trade market. Some of the top organisations and business are working in the US which is depicted by the total sales revenue that is around 2 trillion. The corporation is a type of business that accounts for the majority of sales revenue in the US because corporations are responsible for collecting 60% of the total revenue in the US.