1. You offer to buy Sandra's house for $400,000.00 on the condition that you receive financing approval on or before August 1. Sandra accepts and you sign a real estate purchase contract. On July 15, a mutual friend tells you that Sandra sold her house to Mark for $410,000.00. Your bank approves financing on July 16th, so send a written waiver of condition to Sandra on July 16 confirming you are buying the house. Sandra tells you that it is too late because she has already sold to Mark. Who will be successful in purchasing Sandra's house and why? (2 marks)