Completed December 2021.
Usage: When prompted for a menu selection, inputs will be in []. Example: [c] c is a valid input option. All menues have functionality to return the the previous menu so navigation of all interfaces is possible without exiting program.
Interfaces: Customer: Customer interface first has an option to identify who you are (out of the existing customers) when you first enter. A customer list is provided. Then customers have the option to view their cars or purchase a new car. Cars for purchase are cars that are in service centers used car lots or in their showroom. Prices for cars are determined by a base price plus any options added. Used cars are much cheaper.
Service center Manager: Service center managers have view of all the organization's service centers and where they are located.