4. Hassan plans to retire 40 years from now, he wants to have AED 4.5 million. Hassan thinks he can earn an average of 10 percent on his investments. To meet his goal, he is trying to decide whether to deposit a lump sum today, or to wait and deposit a lump sum 4 years from today. How much more will he has to deposit as a lump sum if he waits for 4 years before making the deposit