回答下列各题: A—profit margin I—settlement onaccount B—trade mark J—retail price C—seaworthy export packing K—find a ready market D—certificate of origin L—enjoy popular prices E—quality as per buyer s sample M—settle account F—export declaration N—export licensing position G—procedure of arbitration O—be m a position to do sth. H—risk of contamination Examples:(J)零售价 (A)利润额 ( )适于海运出口包装 ( )污渍险