slut–degradation:
“ Profit (or rather surplus-value) does not result from the exchange of an amount of materialised labour for an equivalent amount of living labour, but from the portion of living labour which is appropriated in this exchange without...

slut–degradation:

Profit (or rather surplus-value) does not result from the exchange of an amount of materialised labour for an equivalent amount of living labour, but from the portion of living labour which is appropriated in this exchange without an equivalent payment in return, that is, from unpaid labour which capital appropriates in this pseudo-exchange. 

— Karl Marx, Theories of Surplus Value