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whole stock in one single branch of business, has an advantage of the same kind with the workman who can employ his whole labour in one single operation. As the latter acquires a dexterity which enables him, with the same two hands, to perform a much greater quantity of work; so the former acquires so easy and ready a method of transacting his business, of buying and disposing of his goods, that with the same capital he can transact a much greater quantity of business. As the one can commonly afford his work a good deal cheaper, so the other can commonly afford his goods somewhat cheaper than if his stock and attention were both employed about a greater variety of objects. The greater part of manufacturers could not afford to retail their own goods so cheap as a vigilant and active shopkeeper, whose sole business it was to buy them by wholesale, and to retail them again. The greater part of farmers could still less afford to retail their own corn, to supply the inhabitants of a town, at perhaps four or five miles distance from the greater part of them, so cheap as a vigilant and active corn merchant, whose sole business it was to purchase corn by wholesale, to collect it into a great magazine, and to retail it again.