Create a class Vehicl Private variables: vehicleId dailyRate Setter validation: vehicleId must not be empty dailyRate must be greater than 0 Getter methods Method calculateRent(int days) that returns 0 by default Create a class Car Inherits from Vehicle Overrides calculateRent(int days) Rent = dailyRate * days Create a class Bike Inherits from Vehicle Overrides calculateRent(int days) Rent = (dailyRate * days) * 0.8 (20% discount) Create a main class that: Uses a Vehicle reference Assigns it to Car and Bike objects Displays calculated rent for both