public function getUnitPrice()
    {
        // Performance
        if (!\OxidEsales\Eshop\Core\Registry::getConfig()->getConfigParam('bl_perfLoadPrice') || !$this->_blLoadPrice) {
            return;
        }

        $oPrice = null;
        if ((double) $this->getUnitQuantity() && $this->oxarticles__oxunitname->value) {
            $oPrice = clone $this->getPrice();
            $oPrice->divide((double) $this->getUnitQuantity());
        }

        return $oPrice;
    }