Fager Clinic uses client-visits as its measure of activity. During February, the clinic budgeted for 2,300 client-visits, but its actual level of activity was 2,350 client-visits. The clinic has provided the following data concerning the formulas used in its budgeting and its actual results for February:

Data used in budgeting:

	Fixed element per month	Variable element per client-visit
Revenue	$ 0	$ 69.20
Personnel expenses	$ 33,300	$ 22.50
Medical supplies	2,200	13.50
Occupancy expenses	10,700	4.40
Administrative expenses	6,000	1.10
Total expenses	$ 52,200	$ 41.50

Actual results for February:

Revenue	$ 166,210
Personnel expenses	$ 82,445
Medical supplies	$ 32,105
Occupancy expenses	$ 18,800
Administrative expenses	$ 7,015

The revenue variance for February would be closest to: