What's Your Reward For "S" Ranking All Stages?

Note: This is an outdated picture. My Total Time is maxed out now. :P

This is generally something that's missed by a lot of people, but did you know that there's actually a reward for getting an "S" rank in every single Gunvolt stage? If you are successful in completing this accomplishment, the game rewards you with a massive amount of money. I'm not exactly positive how much, but when I accomplished this feat, I found myself with a max 999,999 vig! And I don't recall having a large amount of vig before then.