protected function _buildXMLPrice( MShop_Common_Manager_Interface $orderBaseManager,
		MShop_Order_Item_Base_Interface $base, DOMDocument $dom, DOMElement $orderitem )
	{
		$price = $base->getPrice();
		$total = $price->getValue() + $price->getCosts();

		$priceitem = $dom->createElement( 'priceitem' );
		$this->_appendChildCDATA( 'price', number_format( $price->getValue(), 2, '.', '' ), $dom, $priceitem );
		$this->_appendChildCDATA( 'shipping', number_format( $price->getCosts(), 2, '.', '' ), $dom, $priceitem );
		$this->_appendChildCDATA( 'discount', number_format( 0.00, 2, '.', '' ), $dom, $priceitem );
		$this->_appendChildCDATA( 'total', number_format( $total, 2, '.', '' ), $dom, $priceitem );

		$orderitem->appendChild( $priceitem );
	}