Vanderhyde 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 May, the kennel budgeted for 3,320 tenant-days, but its actual level of activity was 3,362 tenant-days. The kennel has provided the following data concerning the formulas used in its budgeting and its actual results for May: Data used in budgeting: Fixed element per Variable element per monthtenant-dea -38.00 740 13.70 5.10 0.80 26,970 2700 Revenue Wages and salaries Food and supplies Facility expenses Administrative expenses Total expenses $4,050 2,270 12,350 8,300 Actual results for May: S131,936 $ 30,229 $47029 $ 28,496 $ 10.730 Revenue Wages and salaries Foods and supplies Facility expenses Administrative expenses The net operating income In the planning budget for May would be closest to: O$9,550 O $15,555 O $9,966 o $16,019