To clarify, are you saying 1200 EXP for all 7 days total?
Or 8,400 EXP total from the last 7 days?
Edit: I think I understand...
Don't reach the XP requirement 1 day, lose 20k for that week.
Don't reach the XP requirement for all 7 days, still lose only 20k for that week rather than 20k per day.