支付条款在函电中的拟定 — 国际贸易填空题
题目
某出口公司与美国买方签订一批家具出口合同，金额USD 80,000。请根据下列中文说明补全函电中的支付条款英文表述：'Payment shall be made as follows: 30% of the contract value shall be paid by T/T in advance within 10 days after signing the contract, and the remaining ___ shall be paid by irrevocable sight L/C.' 空格处应填入剩余款项的英文规范表达（含金额与百分比，格式如 'USD XX,XXX (XX%)'）。