public function getPayPalWrappingCosts()
    {
        $amount = 0.0;

        $wrappingCost = $this->getCosts('oxwrapping');
        if ($wrappingCost) {
            $amount = $this->isCalculationModeNetto() ? $wrappingCost->getNettoPrice() : $wrappingCost->getBruttoPrice();
        }

        return $amount;
    }