Which statement is true about creating a method at the application module level?

Which statement is true about creating a method at the application module level? (Choose the best answer.)
A. You cannot create methods at the application module level.
B. Application module methods provide an interface for the view layer to call custom business logic that may work across multiple data views.
C. Application module methods are best suited to writing validation logic for entity objects.
D. Methods in an application module allow you to manipulate UI components in the ViewController project.
E. Because ADF provides no way at run time to automatically create or delete view object records, you must create application module methods to do this.

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