Oakwood Outpatient Clinic is analyzing its operation in an effort to improve performance. The clinic estimates that a patient spends on average 3.5 hours at the facility. The amount of time the patient is in contact with staff (i.e., physicians, nurses, office staff, lab technicians) is estimated at forty minutes. On average the facility sees forty-two patients per day. Their standard has been forty patients per day. Determine process velocity and efficiency for the clinic. Efficiency = %?