What are the advantages and disadvantages of the corporate organizational structure?

$($Select all the choices that apply.$)$

A$.$ The corporate organizational form allows those who have the capital to fund an enterprise to be different from those who have the expertise to manage the enterprise.

B$.$ The critical separation of management and ownership allows a wide class of investors to share the risk of the enterprise,

C$.$ The separation of management and ownership comes at a cost $-$ the managers will act in their own best interests, not in the best interests of the shareholders who own the firm.

D$.$ The separation of management and ownership allows managers to concentrate on running the company and not worry about the particular interests of the owners.