What do you think you would shoot at Augusta if you played on it with the Sunday conditions? Pretend you got to play a round on the course the Monday after the Masters ended, and they just left the course the way it was. Playing from the back tees. You'd play just how you normally do, either alone, or with a group of your friends. No tournament pressure, just like a weekend round.
All I know it'd be easily into the 100s and probably the highest I've ever shot. I'm not sure my bag can hold enough balls for the amount I would lose! lol.