public function getPayPalGiftCardVat()
    {
        $giftCardVat = 0.0;

        $giftCard = $this->getCosts('oxgiftcard');
        if ($giftCard && $giftCard->getVatValue()) {
            $giftCardVat = $giftCard->getVatValue();
        }

        return $giftCardVat;
    }