Knapper 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 2,700 tenant-days, but its actual level of activity was 2,740 tenant-days. The kennel has provided the following data concerning the formulas to be used in its budgeting: The food and supplies in the flexible budget for January would be closest to