Question: Which of the following contracts would most likely be governed by UCC Article 2 rather than state common law? Question options: Buyer's contract with Seller specifies that Seller will sell Buyer 1,000 widgets, and Seller will ship those widgets to Buyer's factory within 30 days, for a total price of $100,000. A college professor agrees to lecture to senior citizens at a residential care facility, including provision of printed instructional materials to each participant, for $100 per session. Hospital contracts with Patient for performance of heart surgery, with the contract price including the cost of related valves, surgical masks, and the like. Contractor contracts with Homeowner for the sale and installation of a new central air conditioning system in her residence for a total charge of $20,000.