Write out your step$-$by$-$step thought process in solving the following question: Seller offered to sell his used smartwatch to Buyer for $$100,$ and Buyer accepted. Both believed that the watch was three years $(36$ months$)$ old. When the receipt was found, however, it was discovered that the watch was actually $38$ months old. Buyer wants out of the agreement based on mutual mistake. What is a good argument for Seller to keep the contract enforced? Did you have any idea of the answer right away? If so$,$ how did you know? If not, what were the steps you took in thought and action to solve the question? Reflecting on your step$-$by$-$step process will help you prepare for our tests.