A PDVL holder has 4 existing demerit points, then commits a 12-point offence within the same relevant period. Which suspension range does the total fall into?

1. 1 to 5 points: no suspension
2. 6 to 10 points: 2 weeks
3. 11 to 15 points: 4 weeks
4. 16 or more points: 8 weeks