FROM 
(   
    SELECT  F.ID AS ID, 
		S.Name AS Name, 
		F.Friend_ID AS F_ID, 
		S2.Name AS F_Name
    FROM Friends AS F
    LEFT JOIN Students AS S ON F.ID = S.ID
    LEFT JOIN Students AS S2 ON F.Friend_ID = S2.ID
) AS T1

JOIN Packages AS P ON T1.ID = P.ID
JOIN Packages AS P2 ON T1.F_ID = P2.ID
WHERE P2.Salary > P.Salary
ORDER BY P2.Salary