uses tenant-days as its measure of activity; an animal housed in the kennel for one day is counted as one tenant-day. During December, the kennel budgeted for 3,000 tenant days, but its actual level of activity was 2,980 tenant-days. The kennel has provided the following data concerning the formulas used in it budgeting and it actual sales results for December:

Data Used in Budgeting
	Fixed element per month	Variable element per tenant day
Revenue		$32.10
Wages and Salaries	$2,400	$7.00
Food and supplies	900	$11.30
Facility Expenses	8,600	$3.50
Administrative Expenses	6,700	$0.30
Total Expenses	$18,600	$22.10

Actual results for December:

Revenue $97,978

Wages and Salaries 23,530

Food and Supplies 35,224

Facility Expense 19,780

Administrative Expenses $7,404

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