Dinham 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 March, the kennel budgeted for 4,300 tenant-days, but its actual level of activity was 4,340 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 Revenue Wages and salaries Food and supplies Facility expenses Administrative expenses Total expenses $ 3,200 2,200 8,700 7,200 $21,300 Variable element per tenant-day $35.20 $ 8.20 14.70 3.70 0.10 $26.70 Actual results for March Revenue Wages and salaries Food and supplies Facility expenses Administrative expenses $140,230 $ 28,620 $ 66,350 $ 24,110 $ 7,102 The revenue variance for Morch would be closest to: O $12,538 F O $11,130 V O $12,538 U $11,130 F