Advertising costs and fees
In the category "Advertising costs and fees" you will find the most important fee types as separate transaction types. Enter other income-related expenses via the transaction type "Income-related expenses", which is also in this category.

Please also read the section Logic reversal for account transaction types.
The transaction types in the "Advertising costs and fees" category belong to the account transaction types.
If necessary, read the section Categories of transaction types.