Case study 1 David is wandering round his local electronics store when he sees the latest smart watch on display with a price tag of 19.99. He immediately calls over the sales assistant and says he will buy the watch. However. the sales assistant advises him that the item has been incorrectly priced and says that David will have to pay 109.99 to buy it. David is furious as he believes the store are bound to sell him the watch at the displayed price. 1. Identify the essential requirements of a contract. 2. Advise David on his rights in this case. In your answer you should make reference to relevant case law. Case study 2 Johnson & Son are a firm ofjoiners and they have offered to construct a large summer house and decking area for Mrs Davis for 4,500. Mrs Davis is very happy with the plans they have provided but feels that the price is a little high. She emails Johnson & Son and says that she accepts their offer as long as they can do the work for 4,000 and start on Monday. Johnson &. Son are not happy to do the work for a lower price and Monday morning sees them working on another job. Mrs Davis is very annoyed when they don't turn up to start the work on Monday morning. 1. Can Mrs Davis sue Johnson & Son for breach of contract? Your answer must refer to relevant case law