public function getFUnitPrice()
    {
        if ($this->_fPricePerUnit == null) {
            if ($oPrice = $this->getUnitPrice()) {
                if ($dPrice = $this->_getPriceForView($oPrice)) {
                    $this->_fPricePerUnit = \OxidEsales\Eshop\Core\Registry::getLang()->formatCurrency($dPrice);
                }
            }
        }

        return $this->_fPricePerUnit;
    }