it's my life

Five-year-old Little Johnny answered the door when the census taker came by. He told the census taker that his daddy was a doctor and wasn't home because he was performing an appendectomy.
"My," said the census taker, "that sure is a big word for such a little boy. Do you know what it means?"
"Sure! Fifteen-hundred bucks, and that doesn't even include the anesthesiologist!"