We see therefore that the capitalist, by means of the exchange process with the worker – by indeed paying the worker an equivalent for the costs of production contained in his labour capacity, i.e. giving him the means of maintaining his labour capacity, but appropriating living labour for himself – obtains two things free of charge, first the surplus labour which increases the value of his capital; but at the same time, secondly, the quality of living labour which maintains the previous labour materialized in the component parts of capital and thus preserves the previously existing value of capital.
Ang pinagbatayan ng halaga o presyo nito ay ang "gastos" sa produksyon at reproduksyon ng lakas-paggawa, hindi kung gaano ang magiging kabuluhan nito para sa nakabiling kapitalista. Gaano man kalaki ang maging kabuluhan nito para sa uring kapitalista, tumubo man at tumiba ng limpak-limpak na halaga ang uring kapitalista sa paggamit ng lakas-paggawa, ay walang "karapatang" umapila ang uring manggagawa sapagkat ito ang natural na batas ng palitan ng mga kalakal at batas ng pribadong pag-aari sa ilalim ng kapitalistang sistema ng produksyon.