Paulis 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 5,300 tenant-days, but its actual level of activity was 5,320 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: Actual results for February: The net operating income in the planning budget for February would be closest to: Multiple Choice $10,200 $20,007 $10,320 $20,101