A person comes into the office and says that he is in a time of financial hardship and wants to sell one of his kidneys. He is not a patient, and you know nothing about him, but one of your patients...

A person comes into the office and says that he is in a time of financial hardship and wants to sell one of his kidneys. He is not a patient, and you know nothing about him, but one of your patients is waiting for a kidney. Your patient is wealthy and can afford to purchase a kidney. What do you do?