When creating a pass with unlimited credits, it is possible to add the theoretical marginal value including VAT.

This tool allows you to estimate the specific value of a booking, and is mainly used to calculate the teacher payroll.

For example, inputting 10€ means that the value of the booking made with this pass is 10€.

If left empty, the marginal contribution is calculated as follows:

Price of the pass /Number of reservations made by the member with that same pass.