Kimon Clinic uses dient-visits as its measure of activity. During July, the clinic budgeted for 2,000 client-visits, but its actual level of activity was 2,010 client-visits. The clinic has provided the following data concerning the formulas to be used in its budgeting Revenue Personnel expenses Medical supplies Occupancy expenses Administrative expenses Total expenses Fixed element per Variable element month per client-visit $ 0 $ 43.70 $ 26,100 $ 12.10 1,000 6.30 6,800 1.60 3,000 0.20 $ 36,900 $ 20.20 The activity variance for administrative expenses in July would be closest to