Kirnon Clinic uses client-visits as its measure of activity. During July, the clinic budgeted for 3,450 client-visits, but its actual level of activity was 3,400 client-visits. The clinic has provided the following data concerning the formulas to be used in its budgeting:

Fixed Variable element element per per month client-visit Revenue $39.50 Personnel expenses Medical supplies Occupancy expenses Administrative expenses Total expenses $35,500 $10.70 7.50 1.50 0.60 $51,000 $20.30 1,500 8,500 5,500 The activity variance for personnel expenses in July would be closest to Multiple Choice $535 F $2,975 U $2,975 F $535 U