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 reports—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 62 students enrolled in those two courses. data concerning the company’s cost formulas appear below: fixed cost per month cost per course cost per student instructor wages $ 2,930 classroom supplies $ 300 utilities $ 1,230 $ 60 campus rent $ 4,900 insurance $ 2,400 administrative expenses $ 3,700 $ 45 $ 4 for example, administrative expenses should be $3,700 per month plus $45 per course plus $4 per student. the company’s sales should average $890 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 56 students. the actual operating results for september appear below: actual revenue $ 52,280 instructor wages $ 11,000 classroom supplies $ 18,450 utilities $ 1,880 campus rent $ 4,900 insurance $ 2,540 administrative expenses $ 3,554 required: prepare a flexible budget performance report that shows both revenue and spending variances and activity variances for september