First, I don't think "cost to society" is something that can currently be precisely calculated by a balance sheet. What's the "cost" or "savings" from x hours o

First, I don't think "cost to society" is something that can currently be precisely calculated by a balance sheet. What's the "cost" or "savings" from x hours of y humans suffering (or not)? Secondly, going on math alone, you're missing many variables: the (taxed) income of the free individual, hours volunteered, money donated, "positive influence" ripple effect, etc.