Tennies Clinic uses client-visits as its measure of activity. During November, the clinic budgeted for 3,700 client-visits, but its actual level of activity was 3,690 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		-		$	36.20
Personnel expenses	$	30,300		$	11.20
Medical supplies		1,600			6.60
Occupancy expenses		8,400			2.70
Administrative expenses		6,700			0.40
Total expenses	$	47,000		$	20.90

Actual results for November:

Revenue	$	133,763
Personnel expenses	$	71,596
Medical supplies	$	26,768
Occupancy expenses	$	17,875
Administrative expenses	$	7,951

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