Smith, Brown, and Jones, all separate entities, are the only licensed brokers in Key West. They collectively agree to onl legal?

A$.$ Yes, because it is an example of free enterprise.

B$.$ Yes, as long as the agreement is disclosed in writing.

C$.$ No$,$ because any commission$-$setting agreement must first be approved by the Secretary of State.

D$.$ No$,$ because it violates the Anti$-$Trust Laws of the United States.