you have to deduct this amount of 881$, by your self, from next payment, just pay with this amount less
As unfortunately, in our country is not correct to do this, considering the accounting laws.
This amount of 881.6 euro, which is in surplus is considered as an advance, and you have to pay just the difference
とても分かりやすく翻訳して頂いてありがとうございます。内容が良く分かり、大変助かりました。