Whatever discount, do the math, if you buy golf balls at all ( maybe you diddle around for an hour or so and get credits from the surveys I don't know ) you alone can sock some money into it in a months time. Now I know this is hard but try to go outside your inner circle, try to go global. Now if your calculator can go that high, gestimate the upgrades.
I never claimed MORAL SUPERIORITY, and though billions may be a slight overestimate I'll bet I'm a lot closer to the total than given credit for, it was part of a rant, got that. If given the opportunity I'd like to get you that Coca-Cola, glad you have your precious percentage intact.