Maybe “what have you done for the world” isn’t even the right question. It assumes an acting upon, separate from-ness. What if the good stuff happens less when you act upon the world and more when you become one with it? Part of it.
Of course it would be foolish to believe that you can boil down all this down to just money. There are many other implications on human welfare, and they will be explored as well. So really, the formula for the IoJ is: