6. Moore contracted in writing to sell her 2017 Hyundai Santa Fe to Hammer for $18,500. Moore agreed to deliver the car on Wednesday, and Hammer promised to pay the $18,500 the following Friday. On Tuesday, Hammer informed Moore that he would not be buying the car after all. By Friday, Hammer had changed his mind again, and tendered $18,500 to Moore. Moore, although she had not sold the car to another party, refused to sell the tender and refused to deliver the car. Hammer claimed that Moore had breached their contract. Moore contended that Hammers repudiation released her form her duty to perform under the contract. Who is correct and why?

7. Lehor collects antique cars. He contracts to purchase spare parts for a 1938 engine from Beem. These parts are not made anymore and are scarce. To obtain the contract with Beem. Lehor agrees to pay 50% of the purchase price in advance. Lehor sends the payment on May 1, and Beem receives it on May 2. On May 3, Beem, having found another buyer willing to pay substantially more for the parts, informs Lehor that he will not deliver as contracted. That same day, Lehor learns that Beem is insolvent. Discuss fully any possible remedies available to Lehor to enable to take possession of the parts.