The Gourmand Cooking School runs short cooking courses at its small campus. Management has identified two cost drivers it uses for budgeting purposes-the number of courses and the total number of students. For example, the school might run two courses in a month and have a total of 63 students enrolled in those two courses. Data concerning the company's cost formulas appear below: Fixed Cost per Cost per Cost per Month Instructor wages Classroom supplies Utilities Course $ 2,920 Student $ 260 $ 1,220 $ 55 Campus rent $ 5,200 Insurance $ 2,400 Administrative expenses $ 3,700 $ 46 $ 5 For example, administrative expenses should be $3,700 per month plus $46 per course plus $5 per student. The company's sales should average $880 per student. The company planned to run four courses with a total of 63 students; however, it actually ran four courses with a total of only 59 students. The actual operating results for September were as follows: Revenue Actual $ 52,540 Instructor wages $ 10,960 Classroom supplies $ 16,230 Utilities $ 1,850 Campus rent $ 5,200 Insurance $ 2,540 Administrative expenses $ 3,625 Required: Prepare a flexible budget performance report for September. Note: Indicate the effect of each variance by selecting "F" for favorable, "U" for unfavorable, and "None" for no effect (i.e., zero variance). Input all amounts as positive values.