Kirnon Clinic uses client-visits as its measure of activity. During July, the clinic budgeted for 4,300 client-visits, but its actual level of activity was 4,360 client-visits. The clinic has provided the following data concerning the formulas to be used in its budgeting:

	Fixed element per month			Variable element per client-visit
Revenue		-		$	41.20
Personnel expenses	$	37,200		$	12.40
Medical supplies		3,200			9.20
Occupancy expenses		8,400			3.20
Administrative expenses		7,200			0.50
Total expenses	$	56,000		$	25.30

The activity variance for personnel expenses in July would be closest to: