At the moment, a physical therapist has 14 1/4 rolls of medical tape on hand. He anticipates using up 6 3/4 rolls while working with patients this week. How much medical tape will he have left at the end of the week?

A) 5 1/2 rolls
B) 7 1/2 rolls
C) 8 3/4 rolls
D) 9 1/4 rolls