public function getPrice()
	{
		if( $this->_modified !== false )
		{
			$this->_price->setValue( '0.00' );
			$this->_price->setCosts( '0.00' );
			$this->_price->setRebate( '0.00' );
			$this->_price->setTaxRate( '0.00' );

			foreach( $this->getServices() as $service ) {
				$this->_price->addItem( $service->getPrice() );
			}

			foreach( $this->getProducts() as $product ) {
				$this->_price->addItem( $product->getPrice(), $product->getQuantity() );
			}
		}

		return $this->_price;
	}