An Illinois sponsored licensee acting as a buyer's agent has prepared an offer for the client and delivered it to the listing agent. After presenting the offer to the seller, the listing agent calls the buyer's agent and says the seller would accept the offer if the brokerage fee were reduced by $1000. The listing agent is willing to reduce their share by $500 and asks the buyer's agent to do the same. Which of the following is the best action for the buyer's agent to take?