4. The merchant shall reimburse the Office de la protection du consommateur for the costs of any investigation carried out under the authority of the president of the Office in accordance the powers conferred on the president by the Act, to verify the pricing accuracy rate in the establishment up to:(1) $250 upon the first investigation;
(2) $1,000 upon the second investigation if that second investigation is carried out within 6 months following a notice given by the president of the Office according to which the first investigation showed a pricing error rate of more than 2% in the establishment.