Tennies Clinic uses client-visits as its measure of activity. During November, the clinic budgeted for 3,800 client-visits, but its actual level of activity was 3,790 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: Revenue Personnel expenses Medical supplies Occupancy expenses Administrative expenses Total expenses Fixed element Variable element per month per client-visit $ 0 $ 36.40 $ 30,500 $ 11.40 1,700 6.80 8,600 2.90 6,900 0.20 $ 47,700 $ 21.30 Actual results for November Revenue Personnel expenses Medical supplies Occupancy expenses Administrative expenses $ 138,146 $ 73,672 $ 28,292 $ 19,101 $ 7,427 The activity variance for personnel expenses in November would be closest to