Those are the border populations who have had contact with money, and the concept is slowly creeping in. He says, we are teaching them the use of money. As to simpler and more ancient practice of barter of commodities, that depends on who has translated the text and the words they have chosen. He is at pains to stress in that short text that they did not haggle over the price of commodities, but these are earned or distributed through status, rank.
