tools, and wages necessary for their employment, so he advances to himself what is necessary for his own maintenance, and this maintenance he generally proportions to the profit which he expects to make by the price of their work.

Unless its price repays to him the maintenance which he advances to himself, as well as the materials, tools, and wages which he advances to his workmen, it evidently does not repay to him the whole expense which he lays out upon it. The profits of manufacturing stock therefore are not, like the rent of land, a net produce which remains after completely repaying the whole expense which must be laid out in order to obtain them. The stock of the farmer yields him a profit as well as that of the master manufacturer; and it yields a rent likewise to another person, which that of the master