Cathy hired Joel to help her sell her car.When Joel brought a prospective buyer to look at the car, Cathy commented that she was getting rid of the car due to its huge size and the fact that it was hard to drive and even harder to park.Cathy also said that none of her friends wanted to ride in the car with her because of the car's uncomfortable interior design.When the prospective buyer lost interest in the car, Cathy blamed Joel for not selling the car.Who breached a duty to whom?