CustomerAttributes- Customer id: string- Name: string- Contact: string- Address: string- Customer Age: string- validlicense: boolean- Email: stringMethods+ Is eligible : string+ update profile ()+ Create account()+ View booking()

CarAttributes- Registration id: string- Car model: string- Type of car: string- Fuel type: string- Status: string- Daily base charge: stringMethods+ Is available : Boolean+ Reserve ()+ Release ()+ Calculate cost()

BookingAttributes- Booking id: string- Startthilic ams: string- Days: a: rno- Type of car: string- Flyer type: string- Mileage: istrued- Total cost: stringMethods+ Valid date : string+ Calculate cost ()+ Confirm()+ Cancel()+ Assign car()

StaffAttributes- staff id: string- Username: string- Password: stringMethods+ Login() : boolean+ Logout() : void+ Create booking()+ Cancel booking()

PaymentAttributes- Payment id: string- Amount: decimal- Payment date: string- Status: payment states- Method: payment methodMethods+ Process : payment process+ Refund ()+ Is paid : boolean

case diagram