...They demanded an itemized accounting of his charges. The engineer responded briefly: One chalk mark $1; Knowing where to put it $49,999. It was paid in full and the engineer retired again in peace...Actually, this joke is based on a true story. Steinmetz pulled this on Henry Ford back in the early years of the 20th century.
Ahhhh...so now we know why Old Henry wasn't fond of Jews. ;-)