Panda Clinic uses client-visits as its measure of activity. During October, the clinic budgeted for 3,600 client-visits, but its actual level of activity was 3,590 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		-		$	36.00
Personnel expenses	$	30,100		$	11.00
Medical supplies		1,500			6.40
Occupancy expenses		8,200			2.50
Administrative expenses		6,500			0.20
Total expenses	$	46,300		$	20.10

Actual results for October:

Revenue	$	129,420
Personnel expenses	$	69,560
Medical supplies	$	25,284
Occupancy expenses	$	16,689
Administrative expenses	$	6,995

The spending variance for medical supplies in October would be closest to: