2 points Mayo Clinic uses patient-visits as its measure of activity. During September, the clinic budgeted for 3,000 patient-visits, but its actual level of activity was 2.900 patient-visits. The clinic has provided the following data concering the formulas used in its budgeting and its actual results for September Data used in budgeting: Variable Fixed element element per per month patient visit Revenue $3720 Personnel expenses $27.600 $11.30 Medical supplies $1,500 $6.80 Occupancy expenses. $6,200 $1.70 Administrative expenses. $3,600 $0 30 Actual results for September: Revenue $105.010 Personnel expenses 561,020 Medical supplies $22, 120 Occupancy expenses $10.930 Administrative expenses $4,570 Compute Mayo's total expense activity variance. State answer as a positive