6. Harry signed a written contract with Liz to purchase her house for $275,000, with the closing to take place on December 15. On December 10, Harry called Liz and said "I am so sorry, but my nephew had a medical emergency and I had to spend the money I set aside for the house on medical expenses. There is no way for me to buy the house now because I can not get the money. Good luck selling it to someone else." Liz ignored that, and on December 15 showed up for the closing- but Harry was a no-show. Liza was very upset and contacted her lawyer, immediately put the house back on the market, and then wrote Harry a lengthy email expressing her disappointment. a. On what date did Harry breach? Explain