Thanks everyone for the replies. I understand more about the mechanics now. Made me hate capitalism a bit more than I already do, but I guess someone was right when they said a little knowledge is a dangerous thing.

The joys of the internet. My “respect” comment was genuine.

I appreciate the reply, but with respect it just explains what happens, not why 25c doesn’t have the same value now as it did 60 years ago, or 100 years ago.