could use help

the other 2 multiple choice are $90 U and $30 F

Houston Clinic uses client-visits as its measure of activity. During July, the clinic budgeted for 3,900 client-visits, but its actual level of activity was 3,850 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 $40.40 Revenue Personnel expenses Medical supplies Occupancy expenses Adninistrative expenses Total expenses $36, 400 2.400 9,400 6,400 $54,600 $11.60 8.40 2.40 0.60 $23.00 The activity variance for administrative expenses in July would be closest to: Multiple Choice $90 F $300