which of the following statements are true?

A. the average tax rate for most US corporations is 21%while the marginal tax rate actually paid across us corporations is actually been closer to 15%.

B) a limited LLC is legally defined as a person, while a corporation with limited liability is considered a partnership of several persons.

C) the ability of a corporation to grow can be seriously limited by an inability to raise cash via the primary capital markets for investment

D) according to the theory of the firm among all stakeholders, the stockholders take the most risk