There are no customs duties to be paid when buying goods coming from within the European Union.
VAT is calculated as a percentage (VAT rate) of the price of the goods.
The seller will calculate VAT based on VAT rate of the Member State (in this case Latvia, VAT rate 21%) from which the goods are shipped to the buyer.
You can check the VAT rates applied in each country
Seller is company Zedra registered in Latvia, VAT nr. LV40003799228.
Use your company VAT nr. in order to recieve invoice with out VAT.