Consider these statements about the implementation of the Trip class: I. The Trip class can use an ArrayList of Ticket objects to store a variable number of tickets. II. The Trip class should have an instance filed of type CarRental. III. The Trip class must contain a field of type string[] to store hotel names. Which of the choices above describe suitable implementation decision(s) for the Trip class? Why? a. I only b. II only c. III only d. I and II only e. I, II and