Tennies Clinic uses client-visits as its measure of activity. During November, the clinic budgeted for 3,650 client-visits, but its actual level of activity was 3,640 client-visits. The clinic has provided the following data concerning the formulas used in its budgeting and its actual results for November Data used in budgeting: Fixed Variable element element per per month client-visit $36.19 Revenue Personnel expenses Medical supplies Occupancy expenses Administrative expenses Total expenses $32,200 1,550 8,300 6,600 $46,650 $11.19 6.5 2.60 0.30 $20.50 Actual results for November: Revenue Personnel expenses Medical supplies Occupancy expenses Administrative expenses $131,586 $ 70,573 $ 26,021 $ 17,277 $ 7,468 The activity variance for personnel expenses in November would be closest to