10 Bartosiewicz Clinic uses client-visits as its measure of activity. During January, the clinic budgeted for 4,200 client-visits, but its actual level of activity was 4,180 client-visits. The clinic has provided the following data concerning the formulas used in its budgeting and its actual results for January: Data used in budgeting: Fixed Variable element element per per month client-visit $36.20 Revenue Personnel expenses Medical supplies Occupancy expenses Administrative expenses Total expenses $28,200 1,100 10,100 7,200 $46,600 $ 12.20 6.20 1.00 0.30 $19.70 Actual results for January Revenue Personnel expenses Medical supplies Occupancy expenses Administrative expenses $126, 350 $ 70, 120 $ 21,112 $ 14, 110 $ 7,870 The activity variance for net operating income in January would be closest to: Multiple Choice O $330 U $330 F O O $9,562 U $9,562 F O