[ " Out of the 120-plus-page document, one section has been singled out in particular by railroaders for scorn. During hearings before the board on wages, according to the PEB report, the railroads argued that labor from railroad workers does not contribute to their profits. “The Carriers maintain that capital investment and risk are the reasons for their profits, not any contributions from labor,” the PEB report said. “The Carriers assert that since employees have been fairly and adequately paid for their efforts… then they have no claim to share in the [profits].” ] The capitalist ruling class never INVESTED any time or thought in Marx's DAS KAPITAL where he brilliantly expounds his LABOR THEORY OF VALUE .