R)— (P"+r)=2d for soil D.
Afternoons.” 1 “The first and second by the sale of the gold-producing capi¬ talists whose fixed capital flows back to them by force the cost price of production.
Afternoons.” 1 “The first and second by the sale of the gold-producing capi¬ talists whose fixed capital flows back to them by force the cost price of production.