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 4,400 tenant-days, but its actual level of activity was 4,380 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		$30.90
Wages and salaries	$3,400	$6.90
Food and supplies	800	11.70
Facility expenses	8,400	3.90
Administrative expenses	8,200	0.30
Total expenses	$20,800	$22.80

Actual results for May:

Revenue	$108,180
Wages and salaries	$23,540
Food and supplies	$36,794
Facility expenses	$19,290
Administrative expenses	$9,148

The net operating income in the planning budget for May would be closest to:

$19,408

$14,678

$19,314

$14,840