Vernon Clinic uses patient-visits as its measure of activity. During February, the clinic budgeted for 3,160 patient-visits, but its actual level of activity was 2.840 patient-visits. The clinic bases its budgets on the following information: Revenue should be $30.90 per patient-visit. Personnel expenses should be $20,900 per month plus $10.10 per patient-visit. Medical supplies should be $2,200 per month plus $4.50 per patient-visit. Occupancy expenses should be $6,400 per month plus $1.50 per patient-visit. Administrative expenses should be $3,300 per month plus $0.38 per patient-visit. The clinic reported the following actual results for February: Administrative expenses $4,319 Prepare the clinic's flexible budget performance report for February. (Input all amounts as positive values. Do not round intermediate calculations and round your final answers to the nearest dollar amount. Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance). Leave no cells blank - be certain to enter "0" wherever required. Omit the "$" sign in your response.)