Guareno Clinic uses client-visits as its measure of activity. During December, the clinic budgeted for 4,100 client-visits, but its actual level of activity was 4,030 client-visits. The clinic has provided the following data concerning the formulas used in its budgeting and its actual results for December: Data used in budgeting: Fixed Variable element element per per month client-visit $44.70 Revenue Personnel expenses Medical supplies Occupancy expenses Administrative expenses Total expenses $ 35,900 1,600 11,600 5,400 $54,500 $13.30 5.30 2.20 0.20 $21.00 Actual results for December: Revenue Personnel expenses Medical supplies Occupancy expenses Administrative expenses $ 178,885 $ 88,515 $ 22,515 $ 19,960 $ 6,290 The activity variance for administrative expenses in December would be closest to: Multiple Choice $70 F $70 U $14 U $14 F