Goodfriend 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 June, the kennel budgeted for 2,800 tenant-days, but its actual level of activity was 2,840 tenant-days. The kennel has provided the following data concerning the formulas used in its budgeting and its actual results for June: Data used in budgeting: Actual results for June: The activity variance for wages and salaries in June would be closest to: A) $34 U B) $34 F C) $284 U D) $284 F