Database value: 5 Discounts are a special type. You can't directly create these sorts of costs, but they are automatically created for you when you attach a discount to a class.

Database value: 1 A fixed amount. For payroll, the amount will be paid once the first session has been delivered.

Database value: 3 A cost per enrolment (like class materials).

Database value: 2 This cost is a fixed amount per session. This is common for room hire where the amount doesn't depend on the duration of the session.

Database value: 7 Timetabled hours multiplied by the number of enrolments

Database value: 6 Total session duration. For wages, this amount is the payable session hours, not the actual hours.

Database value: 4 This is just like the fixed amount but with a multiplier against an arbitrary number of units.