Lets change the discount rates depending on how far out the payments are. Created by Sal Khan. Watch the next lesson: https://www.khanacademy.org/economics… Missed the previous lesson? Watch here: https://www.khanacademy.org/economics… Finance and capital markets on Khan Academy: If you gladly pay for a hamburger on Tuesday for a hamburger today, is it equivalent to paying for it today? A reasonable argument can be made that most everything in finance really boils down to “present value”. So pay attention to this tutorial.