Local camping supply store, Happy Campers, has been sued by an angry customer for breaching ACL s 54. According to the customer, Happy Campers sold her a pair of hiking boots that broke soon after she started wearing them. According to Happy Campers, the customer was told that the shoes were discounted because they were defective. Required: You have been asked to interpret ACL s 54, and to help Happy Campers understand if it has a valid defence.