/** * Calculate item row total * * @param Mage_Sales_Model_Quote_Item $item * @return $this * @see Mage_Sales_Model_Quote_Item::calcRowTotal() */ protected function _calcItemRowTotal($item) { $qty = $item->getTotalQty(); $total = $this->_getDataHelper()->roundUp($item->getCalculationPriceOriginal(), 4) * $qty; $baseTotal = $this->_getDataHelper()->roundUp($item->getBaseCalculationPriceOriginal(), 4) * $qty; $item->setRowTotal($this->_getDataHelper()->roundUp($total, 4)); $item->setBaseRowTotal($this->_getDataHelper()->roundUp($baseTotal, 4)); return $this; }