(1) If a commission agent has sold goods, etc. at a lower price or bought them at a higher price than the price designated by his/her principal and the commission agent bears the difference, the sale or purchase shall be binding upon the principal.
(2) When a commission agent has sold goods, etc. at a higher price or bought them at a lower price than the price designated by his/her principal, the difference shall be deemed to be profits of the principal unless otherwise agreed by the parties.