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 $63$ students enrolled in those two courses. Data concerning the

company's cost formulas appear below:

For example, administrative expenses should be $$3,800$ per month plus $$40$ per course plus $$6$ per student. The company's

sales should average $$860$ 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

$57$ students. The actual operating results for September were as follows:

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.$)$