This assignment presents a detailed analysis of two contract law cases. The first case examines a unilateral offer made by Buster Brady and its acceptance by Tommy, focusing on the formation of a contract and the rights of both parties. The analysis references the case of Carlill v. Carbolic Smoke Ball Co. The second case explores a scenario involving a contract for advertisement services, a counteroffer, and issues of consideration. The analysis delves into the concept of counteroffers and the impact on the original contract, referencing the case of Hyde v. Wrench and Foakes v Beer. The document highlights the essential elements of a valid contract, including offer, acceptance, and consideration, and how these elements apply in the given scenarios, discussing potential breaches of contract and legal outcomes.