Tennis Clinic uses client-visits as its measure of activity. During November, the clinic budgeted for 3.850 dient visits, but is actual level of activity was 3.840 client visits. The clinic has provided the following data concerning the formulas used in its budgeting and its actual results for November 21 Date used in budgeting: Variable Skipped per month client- Visit $36.50 Personnel expenses Medical supplies Occupancy expenses Administrative expenses Total expenses 8,700 3.00 $48.050 Actual results for November Tersonal expenses Medical supplies Occupancy expenses Administrative expenses $ 19,729 $ 7,920 The activity variance for personnel expenses in November would be closest to $75 Oo oo