What is the most important difference between a corporation and all other organizational forms? (Select all the choices that apply.) A. A corporation is a legal entity separate from its owners. This means ownership shares in the corporation can be traded upon permission from the board of directors. B. A corporation is a legal entity separate from its owners. This means ownership shares in the corporation can be freely traded. C. None of the other organizational forms share this characteristic. D. Most organizational forms share this characteristic