Please assist with the answer for the *revenue variance* for March

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 Variable element per tenant- day $ 35.20 $ 3,200 $ 8.20 2,200 14.70 Revenue Wages and salaries Food and supplies Facility expenses Administrative expenses Total expenses 8,700 3.70 7,200 0.10 $21,300 $ 26.70 Actual results for March: $140, 230 $ 28,620 $ 56, 350 Revenue Wages and salaries Food and supplies Facility expenses Administrative expenses $ 24,110 $ 7,102 The revenue variance for March would be closest to