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 4,000 tenant-days, but its actual level of activity was 3,980 tenant-days. The kennel has provided the following data concerning the formulas used in its budgeting and its actual results for February: Data in budgeting Fixed element per month Variable element per tenant-day Revenue - $30.50 Wages and salaries $3,000 $6.50 Food and supplies 400 11.30 Facility expenses 8,000 3.50 Administrative expenses 7,800 0.50 Total expenses $19,200 $21.80 Actual results for February: Revenue $107,780 Wages and salaries $23,500 Food and supplies $36,790 Facility expenses $19,250 Administrative expenses $9,140 The net operating income in the planning budget for February would be closest to: