text: SELECT
  	t.Id,
  	SUM(att.Luggage) AS 'Luggage',
  	CONCAT('$', CAST((CASE WHEN SUM(att.Luggage) > 5 THEN SUM(att.Luggage) * 5 ELSE 0 END) AS VARCHAR(10))) AS Fee
  FROM AccountsTrips AS att
  JOIN Trips AS t ON t.Id = att.TripId
  WHERE Luggage > 0
  GROUP BY t.Id
  ORDER BY 'Luggage' DESC