Stuart and Edward work in the same office downtown. They decide to carpool to work and share the costs of the gas. Which of the following statements is correct with respect to their auto liability insurance policies? The insurers cannot cancel their policies because they are car-pooling. The insurers can cancel their policies because they are holding out their cars for hire: The insurers may cancel their policies because they are receiving payment for transporting a passenger. The insurers cannot cancel their policies because they are using their cars for a legitimate business purpose