How to calculate the tax happened in the european union countries?

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+i.y#OWND7A Who know the duties levied in eropean union countries?
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It is combinated with 1. EU. importation customs tariff 2. the country' s cutoms tariff 3. the country's  VAT?
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1VnxJ t or just 1. E.U. customs tariff 2. the country's VAT.
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yM&`*Rv.t*lP;P or the VAT.  isn't levied to the importer,only levied to  the end user when they consume?