Draw an entity model to model the following car rental business scenario:

● Cars are always rented from one location and are brought back to the same location.

● Customers may pay by cash or credit card.

● Customers who call the agency may request a particular car make, model etc. if available.

● A bill is presented to the customer prior to releasing the rental car.

● A further bill may be presented to the customer once the rented car has been returned to cover any damage or excessive mileage.