Consider the situation when the duty is imposed on purchasers. In contrast to when assessment is forced on makers, the interest bend movements to one side to make new harmony with starting stock {negligible expense) bend. The new harmony [at a lower cost and lower amount} addresses the value that makers will get after tax assessment and the point on the underlying interest bend as for amount of the great after tax collection addresses the value that buyers will pay because of the expense. Subsequently, it doesn't make any difference whether the dutyr is collected on customers or producersl]