A manufacturing plant runs three shifts with no breakdowns and plenty of raw materials. Over the past week, the plant has produced an average of 9 tons per day since the third shift has devoted much of their time to preventive maintenance. It is currently averaging a 75% utilization rate. What is the capacity of the plant?
A) 0 to 9 tons
B) 10 to 12 tons
C) 13 to 16 tons
D) 17 to 20 tons