Snyders 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 October, the kennel budgeted for 2,600 tenant.days, but its actual level of activity was 2,610 tenant-days. The kernel has provided the following data concerning the formulas to be used in its budgeting: Fixed slement per month Variable element per tonant-day $27.20 Revenu Wages and salaries Expendables Facility expenses Administrative expens... Total expenses.... S 1100 300 8.600 6,600 $19,300 $520 910 10 0.30 $17.30 The activity variance for wages and salaries in October would be closest to Select one: 3.552 U d. 56520