Galante 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 May, Kennel budgeted for 3,600 tenant-days, but its actual level of activity was 3,580 tenant-days. Kennel has provided the following data concerning the formulas used in its budgeting and its actual results for May:

Data used in budgeting:

	Fixed element per month	Variable element per tenant-day
Revenue		$30.10
Wages and salaries	$2,600	$6.10
Food and supplies	800	10.90
Facility expenses	7,600	3.10
Administrative expenses	7,400	0.10
Total expenses	$18,400	$20.20

Actual results for May:

Revenue	$107,380
Wages and salaries	$23,460
Food and supplies	$36,786
Facility expenses	$19,210
Administrative expenses	$9,132

The activity variance for net operating income in May would be closest to:

$198 F

$1,552 U

$1,552 F

$198 U