Attorney fees.

The cost of proceedings, including trial and appellate court proceedings, brought pursuant to the Commercial Real Estate Broker Lien Act, including reasonable attorney fees, expenses of litigation and prejudgment interest, shall be awarded to the prevailing party or parties. When more than one party is responsible for costs, fees and prejudgment interest, the costs, fees and prejudgment interest shall be equitably apportioned by the court or tribunal among those responsible parties.