With the arrival of the plant, the same one produced a meter of fabric in only one hour. Soon, its merchandise was cheaper, taking the teceles the bankruptcy, and these, in turn, would turn cheap man power in the industries, giving more profit to the capitalist. Let us be with the clear affirmation: ' ' The values of the merchandises are in the direct reason of the time of inverted work in its production and the inverse reason of the productive forces of trabalho' ' (they ibidem; p78) In this point the reasoning of Marx was come across with the following question: from where came exactly the profit? If a merchandise is vendida by its value. e, this value are determined, as we saw, by the time of work necessary to produce the merchandise: then, the value of the work force is determined by the necessary time to its conservation and reproduction, that is, ' ' for the value of articles of first necessity demanded to produce, to develop, to keep and to perpetuate the force of trabalho.' ' Pparently, all the work force that the laborer expended is remunerated by the master to the end of one week, for example. But this is a deceptive appearance, therefore the capitalist, when buying the work force, starts to have right to serve itself of it making it to function all during the day, successively.
E is necessary here to understand that the value of the work force is completely distinct of its functioning. In the pages that follow, that is, of page 80 until half of the page 94, Marx will deal with the work force while merchandise, as well as of the more-value, the part not remunerated of the merchandise. He follows important citation, ' ' The value of the work force if determines for the amount of necessary work for its conservation, or reproduction, but the use of this force alone is limited by the vital energy and the physical force of the laborer.