Liam hires Quinn, a real estate broker, to act as his agent to sell his property for $$150,000.$ Before the property is sold at the stated price, minerals are discovered beneath it$,$ causing its market value to increase considerably. The agreement between Liam and Quinn is likely

Liam hires Quinn, a real estate broker, to act as his agent to sell his property for $$150,000.$ Before the property is sold at the stated price, minerals are discovered beneath it$,$ causing its market value to increase considerably. The agreement between Liam and Quinn is likely

continued with a proportionate increase in Quinn$$s sales commission.

continued until Quinn tells prospective buyers of the discovery.

terminated by operation of law.

terminated by act of the parties.