Chimilio Clinic uses client-visits as its measure of activity. During June, the clinic budgeted for 3,400 client-visits, but its actual level of activity was 3,360 client-visits. The clinic has provided the following data concerning the formulas used in its budgeting and its actual results for June: Data used in budgeting: Fixed element per month Variable element per client-visit Revenue - $ 33.70 Personnel expenses $ 27,300 $ 10.70 Medical supplies 1,200 5.50 Occupancy expenses 9,000 1.50 Administrative expenses 4,100 0.30 Total expenses $ 41,600 $ 18.00 Actual results for June: Revenue $ 112,062 Personnel expenses $ 64,602 Medical supplies $ 19,900 Occupancy expenses $ 13,640 Administrative expenses $ 5,068 The occupancy expenses in the flexible budget for June would be closest to: