X-Ray Output Was Calibrated During Commissioning as 1

X-ray output was calibrated during commissioning as 1.0 cGy/MU.During monthly quality assurance checks, the output is calibrated as 1.3 cGy/MU.This monthly output measurement is _____________________.

A) outside of tolerance limits but no action is required
B) within tolerance limits and no action is required
C) outside of tolerance limits and action is required
D) not required until the annual quality assurance routine