Sorrow 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 November, the kennel budgeted for 2000 tenant-days, but its actual level of activity was 2.350 tenant-days. The kennel has provided the following data concerning the formulas used in its budgeting and its actual results for November Data used in budgeting Fixed element per month Variable element per tenant-day Revenue $30.90 Wages and salaries 52.200 56.20 Food and supplies 900 9.10 Facility expenses 3.300 3.40 Administrative expenses 6200 0.40 Total expenses $18109 519-10) Actual results for November Revenue 571.325 Wapes and salaries $17.050 Food and supplies 523.025 Facility expenses 515,000 Administrative expenses 57.930 The activity variance for wapes and salaries in November would be closest to 5310 5590 $310F 5590