Guareno Clinic uses client-visits as its measure of activity. During December, the clinic budgeted for 3.700 client-visits, but its actual level of activity was 3,670 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 Revenue $44.30 Personnel expenses Medical supplie:s Occupancy expenses Administrative expenses Total expenses 35,5 $12.90 5.00 1.80 0.40 S52,900$20.10 1,200 11,200 5,000 Actual results for December Revenue Personnel expenses Medical supplie:s Occupancy expenses Administrative expenses $159,585 S 81,375 s 18,940 S 17,26e $ 6,550 The activity variance for administrative expenses in December would be closest to: Multiple Choice $12 U $70 F $70 U $12 F