次の画面でFull Refundから「Pricing Error」を選択
Other concessionで3を入力。その後、「Submit Full Refund」。確認文もYesを選択。
From the next screen choose [Pricing Error] from the Full Refund screen.
Enter 3 in the [Other concession]. After that choose[ Submit Full Refund]. Select YES at the confirmation prompt.
