In the context of UI design, which statement best aligns with RULE $6$: "Focus on Data Entry Screens"?

If you use check boxes to select one or more choices from a group, show the choices with a checkmark or an X$.$

A sequence check can be used when the data must be in some predetermined sequence.

Do not input data that the user can retrieve from system files or calculate from other data.

Whenever possible, use a data entry method called form filling, where a blank form that duplicates the source document is completed on screen.