Your job is to write a C program that implements a simple car rental information system. Your program keeps track of the cars of a rental company and rental information. The program provides a simple user interface to add cars to the company's inventory, to make a car reservation, find a reservation, print rented and non-rented vehicles, and compute average number of days rented. Your program must use the data types and variables described below. A type definition of a new structure named Car to store car information. This structure must have the following fields: int carId; I a unique ID of a car char make [20 // make of the car char model[20] // model of the car int numDoors; / 2 or 4 door cars double rate; // the rental rate of the car A type definition of a new structure named Rental to store rental information of a renter char renterName [20]; I/ name of renter int daysRenting; I/ days renting the car int carId; // ID of the car rented Two arrays in main0 function that store car information and rental information Car allcars[20]; I/ a list of cars Rental allRentals[60]; / a list of rentals Note that there can be more rentals than cars. This is because we may consider allRentals to store records about cars currently rented and those that have been reserved although the rental period is not captured in this simple program. The program keeps track of the total number of cars owned by the company and the total number of rentals by the following two variables declared in main0