4. After the closing on the land for the first hotel, the client informs you that they have arranged for the purchase of a relatively small office trailer, on wheels, that will be delivered to the site by the seller. The purchase price is $4,000. However, nothing related to this transaction has been reduced to writing. Your client wants to know if the mobile office trailer is personal or real property, whether a valid contract for the sale of goods has been formed, and what specific provision of the Uniform Commercial Code would be applicable to the issue of whether or not this agreement must be in writing to be enforceable. What would you tell the client? Please fully explain your