Smithj Kennel uses tenant-days as its measure of activity; an animal housed in the kennel for one day is counted as one tenant-day. During February, the kennel budgeted for 3,300 tenant-days, but its actual level of activity was 3,340 tenant-days. The kennel 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 tenant-day
Revenue		$34.20
Wages and salaries	$2,200	$7.20
Food and supplies	1,200	13.70
Facility expenses	7,700	2.70
Administrative expenses	6,200	0.30
Total expenses	$17,300	$23.90

Actual results for February:

Revenue	$111,226
Wages and salaries	$28,520
Food and supplies	$47,305
Facility expenses	$15,750
Administrative expenses	$7,092

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

$4,131 F

$4,131 U

$4,543 F

$4,543 U