Tennles 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: Actuol results for November: The activity variance for personnet expenses in November would be closest to