Puppy Palace uses tenant-days as its measure of activity, an animal housed in the kennel for one day is counted as one tenant-day. During March, 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 March: Data used in budgeting: Revenue Wages and salaries Food and supplies Facility expenses Administrative expenses Total expenses Actual results for March: Fixed element per Variable element month. $0 $ 2,800 per tenant-day $ 30.30 $ 6.30 200 11.10 7,800 3.30 7,600 0.30 $ 18,400 $ 21.00 Revenue Wages and salaries Food and supplies Facility expenses Administrative expenses $ 107,580 $ 23,4801 $ 36,788 $ 19,230 $9,136 The net operating income in the flexible budget for March would be closest to: