Paulis 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 2,500 tenant-days, but its actual level of activity was 2,480 tenant-days. The kennel has provided the following data concerning the formulas used in its budgeting and its actual results for February:

	Fixed element per month			Variable element per tenant-day
Revenue		-		$	35.30
Wages and salaries	$	2,500		$	5.90
Food and supplies		400			13.80
Facility expenses		8,900			3.40
Administrative expenses		7,800			0.40
Total expenses	$	19,600		$	23.50

Actual results for February:

Revenue	$	85,654
Wages and salaries	$	16,992
Food and supplies	$	33,084
Facility expenses	$	16,682
Administrative expenses	$	8,732

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