Myra mailed a letter to George, mailed on December 1, received on December 4 stating: "I will buy your house for $50,000." and included a signed purchase offer contract. George wrote back "I cannot let it go for less than $65,000." and returned a new signed contract with the $50,000 replaced with $65,000, mailing the letter on December 5. Myra received it on December 7, and on December 8 she replied in a letter stating "Okay", signing and enclosing the new purchase offer contract.. The letter was received by George on December 10. On December 11, George received a better offer, so he sent a letter on December 12 stating, I withdraw my offer, very sorry." Myra received this letter on December 14. She sued George. What result