Ian’s engine kept rattling and making loud noises whenever he drove. He sent it to the mechanic. The mechanic took a quick look at the engine and marked an ‘X’ on the chassis with a chalk. He then gave it a swift kick and the noise stopped immediately.
A week later, Ian received the bill in the mail. The mechanic had charged him $300!
Ian felt the bill was too hefty for such a quick job like that so he demanded an itemised account of his charges. The mechanic went back into his office and came out with the bill.
*One chalk mark: 1 dollar*
*Knowing where to mark the ‘X’: 299 dollars*