Bracken Clinic uses client-visits as its measure of activity. During September, the clinic budgeted for 2,100 client-visits, but its actual level of activity was 2,140 client-visits. The clinic has provided the following data concerning the formulas used in its budgeting and its actual results for September:

Data used in budgeting:

	Fixed element per month	Variable element per client-visit
Revenue		$44.50
Personnel expenses	$26,100	$12.60
Medical supplies	600	7.20
Occupancy expenses	6,500	2.40
Administrative expenses	3,100	.10
Total expenses	$36,300	$22.30

Actual results for September:

Revenue	$93,240
Personnel expenses	$50,754
Medical supplies	$15,328
Occupancy expenses	$11,646
Administrative expenses	$3,394

The revenue variance for September would be closest to:

Group of answer choices

$210 F

$1,990 U

$210 U

$1,990 F