Tennies Clinic uses client-visits as its measure of activity. During November, the clinic budgeted for 3,300 client-visits, but its actual level of activity was 3,290 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 element per month Variable element per client-visit Revenue $35.40 Personnel expenses $29,500 $10.40 Medical supplies 1,200 5.80 Occupancy expenses 7,600 1.90 Administrative expenses 5,900 .30 Total expenses $44,200 $18.40 Actual results for November: Revenue $116,656 Personnel expenses $63,686 Medical supplies $21,072 Occupancy expenses $13,371 Administrative expenses $6,677 The spending variance for medical supplies in November would be closest to_____________.