It should be noted that in this case the buyer demanded for lower prices on the grounds the quality of the goods are inferior, and asserted that it would refuse to make the payment if the seller would not lower the price, under this circumstances, the seller has not bring a lawsuit with the buyer, instead it choose to prosecute the bank. And as its claim is well justified, the results is in favor of the seller. It is the proof that its decision is wise and its approach effective.