29.—Any person who—
(a) on or in connection with the sale or purchase of any goods,
(b) in exposing or offering any goods for sale,
(c) in purporting to make known to the buyer the quantity of any goods sold, or
(d) in offering to purchase any goods,
makes any misrepresentation whether oral or otherwise as to the quantity of the goods, or does any other act calculated to mislead a person buying or selling the goods as to the quantity of the goods, shall be guilty of an offence.