hey id like to get the full law analysis and conclusion for this question please thank you in advance

3. Floppnarine Ramlogan, an 85 year-old gentleman from Robert Hill Siparia. visited Smart Supermarioet Limited in Siparia. to purchase S cartons of Almond Milk for his diabet was an ongoing sale of Unond Milk that was close to the expiration date. The mond Milk were adv and at a sale price of $45 00 per avion. The sale price was place on a sticker on top the sheit where he bans were stored. Two hours before the wait of Roopnarine, Carlito a packet was instructed to replace the NUmond Milk with new stock that had a much longer expiry date. This new stock was to be sold at the regular price of 580 00 per carton. The information wins relayed to the cashiers who entered the new price in place of the sale price Roopharine visited the store and look up the 5 cartoons before proceeding to the car h other Boms he had pinoed in his shopping cart Aher the it is were cashed, he paid the sum of $907 50 for the total amount of tem he purchased. He took his bill and his home and word to his out He placed everything in the trunk and kept off of the cartors of Almond Milk as he was feeling finely. He went and sat in the driver seal opened ed it to tes mouth and habit he quickly cour shock when he saw a cartons knowing that it was $45:03 for shall He nowhad back into the supe cashier. The cashier cf d to Roc that the sale price in respect of stock close revlocked with items not on sale. She apolog was made on the cash reg agreed that Roopnarine could kee paid or noturn them for a full refund preference of the full refund but from one of the cartons. Roop red to part that one cartoon for $45 00 and accept a the remaining cartons. The cashier in and she was only prepared to return the $240 00 if he paid the full $10 09 far the carton he drank from. Please advise Roopn