支付条款在函电中的拟定 — 国际贸易填空题
题目
某出口公司与德国买方签订一批汽配出口合同，金额USD 50,000，支付条款拟定为：买方须在装运期前20天开立不可撤销的即期信用证，其中70%凭装运单据即期付款，其余30%待货到验收合格后以电汇付清。请补全函电中该支付条款的英文表述：The buyers shall open an irrevocable sight L/C in our favor reaching us 20 days before the time of shipment, covering ____% of the contract value payable against shipping documents, and the remaining ____% shall be remitted by T/T after the goods arrive and pass inspection.