Smithj 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 February, the kennel budgeted for 3,540 tenant-days, but its actual level of activity was 3,530 tenant-days. The kennel has provided the following data concerning the formulas used in its budgeting and its actual results for February: Data used in budgeting: Revenue Wages and salaries Food and supplies Facility expenses Administrative expenses Total expenses Fixed Variable element per element per month tenant-day - $ 29.80 $ 2,050 $ 5.50 1,505 9.90 9,540 5.50 8,035 0.80 $ 21,130 $ 21.70 Actual results for February: Revenue Wages and salaries Food and supplies Facility expenses Administrative expenses 104,129 21,186 37,932 28,496 10,799 The revenue variance for February would be closest to: $10,799 U $1,343 U O $1,065 U O $1,343 F