Bartosiewicz Clinic uses client-visits as its measure of activity. During January, the clinic budgeted for 4,200 client-visits, but its actual level of activity was 4,180 client-visits. The clinic has provided the following data concerning the formulas used in its budgeting and its actual results for January:

Data used in budgeting:

	Fixed element per month			Variable element per client-visit
Revenue		-		$	36.20
Personnel expenses	$	28,200		$	12.20
Medical supplies		1,100			6.20
Occupancy expenses		10,100			1.00
Administrative expenses		7,200			0.30
Total expenses	$	46,600		$	19.70

Actual results for January:

Revenue	$	126,350
Personnel expenses	$	70,120
Medical supplies	$	21,112
Occupancy expenses	$	14,110
Administrative expenses	$	7,870

The overall revenue and spending variance (i.e., the variance for net operating income in the revenue and spending variance column on the flexible budget performance report) for January would be closest to: