The Gourmand Cooking School runs short cooking courses at its small campus, Management has identified two cost drivers it uses in its budgeting and performance reportsthe 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 61 students enrolled in those two courses. Data concerning the company's cost formulas appear below: Cost per Fixed Cost per Month Cost per Course Student Instructor wages $ 2,930 Classroom supplies $ 300 Utilities 1,220 $ 75 Campus rent $ 4,900 Insurance 2,400 Administrative expenses $ 4,000 $ 42 S 4 $ For example, administrative expenses should be $4,000 per month plus $42 per course plus $4 per student. The company's sales should average $870 per student. The company planned to run four courses with a total of 61 students; however, it actually ran four courses with a total of only 53 students. The actual operating results for September appear below: Actual Revenue $50,170 Instructor wages $11,000 Classroom supplies $18,150 Utilities $ 1,930 Campus rent $ 4,900 Insurance $ 2,540 Administrative expenses $ 3,838 Required: Prepare a flexible budget performance report that shows both revenue and spending variances and activity variances for September. (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.)