This is not an easy question for a researcher, but I would say between $3 million and $5 million yearly could make a difference. That's only for, again, program-specific, targeted initiatives and so on. I don't know; I only know how much you can save by making everybody more active, and that's in the billions.
It's not so much how much you spend today, but how much you invest in the future and what the return is going to be in the future from that investment.