their riches or poverty, their advancing, stationary, or declining condition; and partly by the particular nature of each employment.
There is likewise in every society or neighborhood an ordinary or average rate of rent, which is regulated, too, as I shall show hereafter, partly by the general circumstances of the society or neighborhood in which the land is situated, and partly by the natural or improved fertility of the land.
These ordinary or average rates may be called the natural rates of wages, profit, and rent, at the time and place in which they commonly prevail.
When the price of any commodity is neither more nor less than what is sufficient to pay the rent of the land, the wages of the labor, and the profits of the stock employed in raising, preparing, and bringing it to market, according to their natural rates, the commodity is then sold for what may be called its natural price.
The commodity is then sold precisely for what it is worth, or for what it really costs the person who brings it to market; for though in common language what is called the prime cost of any commodity does not comprehend the profit of the person who is to sell it again, yet if he sells it at a price which does not allow him the ordinary rate of profit in his neighborhood, he is evidently a loser by the trade; since by employing his stock in some other way he might have made that profit. His profit, besides, is his revenue, the proper fund of his subsistence. As, while he is preparing and bringing the goods to market, he advances to his workmen their wages, or their subsistence; so he advances to himself, in the same manner, his own subsistence, which is generally suitable to the profit which he may rea-
