Giga City is a retail business that sells computer parts. Their shop is a self-service shop where customers select goods from display shelves and bring them to a checkout. A customer is in dispute with Giga City over an item that was priced incorrectly on the display. Which one of the following cases is most relevant to this situation? a. Grainger \& Sons v Gough b. Pharmaceutical Society of Great Britain v Boots Cash Chemists c. Fisher v Bell d. Partridge v Crittenden