The total amount of your purchase is $500.

お買い上げ合計金額は500ドルです。

In reference to your order No,A1234, we are sending you the invoice totaling $500.

ご注文番号 A1234 に関して、合計 $500 の請求書をお送りします。

We kindly request payment of the amount as stated in the attached invoice for the item (order number A1234) ordered by your company.

貴社が注文された商品（注文番号 A1234）のお支払代金を添付の請求書の通り請求いたします。

The billed amount is the same as the quoted amount.

ご請求金額はお見積もり価格と同じです。

Please remit your payment to the bank account below.

下記銀行口座へお振込みください。

Please transmit the billed amount as per the payment conditions.

支払条件に従って請求金額をご送金ください。

Our terms of payment are 30 days from the date of invoice.

お支払い期限は請求書発行日より30日間です。

Please make the payment within two weeks after receipt of this invoice.

本請求書受領後2週間以内にお支払いください。

Please remit the remaining balance before the end of this month.

今月末までに残金をお振込みください。

Thank you very much for your transaction.

この度はお取引いただきありがとうございました。

We appreciate your business.

ご愛顧に感謝いたします。