Item: 10.00€
Market Fee (15%): 1.50€

Total price: 11.50€

50x



Item: 5.00€
Market Fee: 0.75€

Total price: 5.75€

20x



So basically:

50x 11.50€ = 575€
20x 5.75€ = 115€

50x 1.50€ = 75€
20x 0.75€ = 15€

Total marketplace exchange: 690€
Total earnings for the service: 90€

Basically 600€ are now added to wallets cause 90€ marketplace fees.
Let's imagine all of that money gets withdrawn today.
Withdraw fee is 0.5%.

5% of 600€ are 30€

Means: 120€ made total of that