The surcharges list contains the commercial surcharges you want to apply to the costs calculation for the part. You can choose a surcharge as a fixed sum or as a percentage. The percentage can be calculated on:

• The part costs
• The operation costs
• The equipment costs
• The external operation costs
• The total of the cost components (parts + operations + equipment + external operations)

Surcharges are one of the components of the cost price of a part. The other components are parts, operations, equipment, and external operations.