Which is MOST likely to be an example of an acceptable practice under the provisions...

A real estate brokerage firm allows a title company to use the brokerage's downtown office to conduct closings as a convenience to downtown clients.

A title company buys an ad in the local newspaper every month for the real estate brokerage firm that sends the title company the most referrals.

A home inspector gives a real estate broker tickets to the Super Bowl to thank the broker for the business they sent to the inspector this year.

A mortgage company includes a link to a real estate brokerage firm's website on its home page in exchange for the brokerage sending clients their way.