Kam sent a letter to John in which Kam offered to purchase 10 acres of certain real estate from John for $140,000. John responded that he would sell only 8 of those acres for that price. Kam, feeling offended by John response, terminates the negotiations. John immediately tells Kam that he will sell the ten acres of real estate at Kam's original asking price. To wit, Kam responds No way, John; Im buying the land from my good friend Knox. Based on these facts, assess the situation given the following responses:

a. John and Kam have entered into a contract for the sale of 8 acres for $140,000.

b. Join and Kam have created a contract to sell 8 acres for $112,000.

c. John and Kam have entered into a contract for the sale of 10 acres for $140,000.

d. John and Kam have not entered into a contract for the purchase or sale of any acreage between each other.