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 62 students enrolled in those two courses. Data concerning the companys cost formulas appear below: Fixed Cost per Month Cost per Course Cost per Student Instructor wages $ 2,970 Classroom supplies $ 280 Utilities $ 1,200 $ 80 Campus rent $ 4,600 Insurance $ 2,300 Administrative expenses $ 3,800 $ 44 $ 3 For example, administrative expenses should be $3,800 per month plus $44 per course plus $3 per student. The companys sales should average $860 per student. The company planned to run four courses with a total of 62 students; however, it actually ran four courses with a total of only 58 students. The actual operating results for September appear below: Actual Revenue $ 50,420 Instructor wages $ 11,160 Classroom supplies $ 17,210 Utilities $ 1,930 Campus rent $ 4,600 Insurance $ 2,440 Administrative expenses $ 3,588 Required: 1. Prepare the companys planning budget for September. 2. Prepare the companys flexible budget for September. 3. Calculate the revenue and spending variances for September.