Expensive Advice

The doctor finally reached his table at a dinner, after breaking away from a woman who sought advice on a health problem. 

Do you think I should send her a bill? the doctor asked a lawyer who sat next to him.

Why not? the lawyer replied. You rendered professional services by giving advice.

Thanks, the physician said. I think I'll do that.

When the doctor went to his office the next day to send the bill to the woman, he found a letter from the lawyer. It read:

For legal services, $50.