Emergency Clinic uses client-visits as its measure of activity. During July, the clinic budgeted for 4.000 client-visits. Its actual level of activity in July was 4,200 client-visits The clinic has this data concerning the formulas to be used in its budgeting: Fixed Variable Element Element per Per Month Client-visit Revenue $0.00 _$50.00 Personnel expenses $80,000 $12.00 Medical supplies 2,000 8.00 9,000 3.00 Occupancy expenses Administrative expenses 6,000 2.00 Total expenses $97.000 $25.00 The activity variance for personnel expenses in July would be closest to: O $1,200 $2,100 $2,400 $1,400