It is possible to set a salary for each employee separately and for each category, service, product or subscription directly.
How to set:
1. Go to the "Staff" section
2. Select the employee for whom you want to install the salary and go to his profile
3. Select the "Salary" tab at the top
4. Select a set option (for example, for the full category)
5. An additional field will appear at the bottom with the items for which you want to set the salary
6. Select the amount of charges and type