Answer:
The agency may be terminated because of this change in circumstances
Step-by-step explanation:
The agency ends because the farmer and the agent closed a deal to sell the farm for $1 million dollars, but when the agent discovered the oil and therefore the raise to $5 million dollars of the property, the agency must end because it would be considered as a fraud to buy a property for $5 million when in paper says that the property is valued for $1 million.