Mrs. Jeffery just treated herself to a brand new vehicle. For a long time, Allen tended to her garden. As a reward for his hard work in the garden that summer, she offered to give him her old automobile. Delighted, Allen decided to sell his used automobile. He verbally committed to taking out a four-year lease on a flat using the proceeds from the sale of his previous vehicle. The next week, Mrs. Jeffery changed her mind and refused to give Allen the car. Discuss