A better way to show "required" vs "optional" competencies might be to simply use the color green for the id#s of required competencies and the color black for id#s for optional competencies, as is done in the grading table descriptions.
A better way to show "required" vs "optional" competencies might be to simply use the color green for the id#s of required competencies and the color black for id#s for optional competencies, as is done in the grading table descriptions.