Federick Clinic uses client-visits as its measure of activity. During October, the clinic budgeted for 3,000 client-visits, but its actual level of activity was 3,040 client-visits. The clinic has provided the following data concerning the formulas used in its budgeting and its actual results for October: Data used in budgeting:

	Fixed element per month	Variable element per client-visit
Revenue		$51.20
Personnel expenses	$36,600	$18.10
Medical supplies	1,000	6.80
Occupancy expenses	12,100	1.70
Administrative expenses	4,800	0.20
Total expenses	$54,500	$26.80

Actual results for October:

Revenue	$158,578
Personnel expenses	$87,314
Medical supplies	$21,452
Occupancy expenses	$18,048
Administrative expenses	$5,248

The occupancy expenses in the flexible budget for October would be closest to:

$17,268

$18,289

$17,811

$17,200