Tennies Clinic uses client-visits as ts measure of activity. During November, the clinic budgeted for 3,550 client-visits, but its actual level of activity was 3.540 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: 20-11 Fi xed Variable element element per per month client-vinit Revenue $35.90 Personnel expenses Medical supplies Occupancy expenses Administrative expenses Total expenses $30,000 $10.90 6.30 2.40 6, 400o.s0 $45, 950 $20.10 1,450 8,100 Actual results for November Revenue Personnel expenses Medical supplies Occupancy expenses Administrative expenses $127,263 s 68,557 s 24,557 s 16,111 $. 7,952 The activity variance for personnel expenses in November would be closest to