Costs incurred from Payment Providers
Formula
SUM = (Gross Revenue - Returns) * Payment Method Fee + Processing Fee
Explanation
The transactions costs contain the costs incurred through payment providers.
You can configure how much you pay for each payment provider in the Costs section in Klar.
The Payment method fee is multiplied by the Gross Revenue of an item minus potential Returns.
The Processing Fee is distributed equally among all items within an order.