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 3,000 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 its budgeting and its actual results for march: data used in budgeting: fixed element per month variable element per tenant-day revenue $ 0 $ 29.50 wages and salaries $ 2,000 $ 5.50 food and supplies 200 10.30 facility expenses 7,000 2.50 administrative expenses 6,800 0.30 total expenses $ 16,000 $ 18.60 actual results for march: revenue $ 106,530 wages and salaries $ 23,400 food and supplies $ 36,780 facility expenses $ 19,150 administrative expenses $ 9,120 the net operating income in the flexible budget for march would be closest to: