The Nurse Documents Vital Signs on a Newly Admitted Patient

The nurse documents vital signs on a newly admitted patient as: "blood pressure is 148/94 mm Hg, the pulse is 80 beats/min, and the respirations are 16 breaths/min." The nurse would record the pulse pressure as:

A) 14 mm Hg.
B) 54 mm Hg.
C) 64 mm Hg.
D) 80 mm Hg.