Hello! I am teaching a course that allows students three unexcused absences. After the third absence, they lose 5% of their overall grade for each additional unexcused absence. Meaning four unexcused absences would result in a loss of 5% overall, five unexcused absences would result in a loss of 10% overall, etc. When I entered attendance today, the Roll Call Attendance assignment was automatically created. But I don't know how to create these rules for more than three unexcused absences and the deduction to their final grade. I also allow one tardy, and each additional tardy counts as an absence. Any advice is greatly appreciated.

Thanks!

Lisa