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 3,800 tenant-days, but its actual level of activity was 3,780 tenant-days. The kennel has provided the following data concerning the formulas used in its budgeting and its actual results for February: Data used in budgeting: Fixed element per month Variable element per tenant-day $30.30 Revenue Wages and salaries Food and supplies Facility expenses Administrative expenses Total expenses $ 2,800 200 7,800 7,600 $18,400 $ 6.30 11.10 3.30 0.30 $21.00 Actual results for February: Revenue Wages and salaries Food and supplies Facility expenses Administrative expenses $107,580 $ 23,480 $ 36,788 $ 19,230 $ 9,136 The net operating income in the flexible budget for February would be closest to