Each different name which increase takes affords the proprietor an opportunity to receive it,--1.

In the form of interest; 2.
In the form of profit.

For, it says, a part of the income derived from manufactures consists of interest on the capital employed.

If one hundred thousand francs have been invested in a manufacturing enterprise, and in a year's time five thousand francs have been received therefrom in addition to the expenses, there has been no profit, but only interest on the capital.

Now, the proprietor is not a man to labor for nothing.