Trevor wants to buy a new home. He is interested in the house located across the street, owned by Jack and Connie. Trevor has a professional real-estate appraiser appraise Jack and Connie's home, and the appraiser appraises the house at $300,000. Trevor asks Jack and Connie if they would sell their house to him for $275,000. Jack and Connie agree, and the three memorialize their agreement in a written purchase agreement signed by all of them. The closing is scheduled for June 30. On June 25, Jack and Connie tell Trevor that they will not sell the house to him. Is Trevor entitled to specific performance of the agreement, or must he accept damages for breach of the contract? Fully explain your answer, including any rule or rules that support it.