Simple car rental system with design specifications

Most of the project is already done. What we are doing is building just the framework of a car fleet reservation system. (for demostration purpose only) it must be workable but its very simple. We are developing a The next steps that need to be developed [login to view URL] the Business Layer: a. Create a layer supertype for all components of the Business layer. b. Create a Business layer facade to manage the workflow for the use case. c. Create a JUnit test for your Business layer manager. i. Execute the unit test and demo its behavior. [login to view URL] the Presentation Layer Create a Swing-based GUI that supports your chosen use case: a. Create a class that extends JFrame. b. If necessary, replace the frame's default layout manager. c. Populate the frame with the necessary widgets in the class's constructor. d. Create a main() method that serves as the app's entry point.