Revenue By Class / Class Category Revenue reports

It would be helpful to see what styles of classes are generating the most revenue. It would be helpful to see a report that showed each class and how much tuition was collected in a date range. Even when a tuition table has been used or students that are enrolled in multiple classes. Maybe each class is setup into a category i.e Ballet, tap, hip hop etc. THat way you can also see what generas are generating the most revenue.