Detailed calculation:
Copper surcharge per kg:(13,30 EUR/kg − 1,55 EUR/kg) × 1,01 = 11,87 EUR/kg
Metal surcharge per item:11,87 EUR/kg × 3,00 kg = 35,61 €
Net item price excluding metal surcharge:561,00 €
Total net price:561,00 € + 35,61 € = 596,61 €
VAT:596,61 € × 19,00 % = 113,36 €
Total gross price:596,61 € + 113,36 € = 709,97 €
Intermediate results and final amount are rounded commercially.