Hubbard 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 January, the kennel budgeted for 2,100 tenant-days, but its actual level of activity was 2,060 tenant-days. The kennel has provided the following data concerning the formulas used in its budgeting and its actual results for January: Data used in budgeting: The wages and salaries in the planning budget for January would be closest to: $17,282$17,618$17,420$17,132