申論題

(三) 某台北出口商之前與紐約的進口商簽訂一宗買賣契約，部份內容如下：
Unit Price: USD15.00/set CIF New York
Packing: Packed in export standard packing, seaworthy
Shipment: Shipment from Keelung to New York on or before XXX
Payment: By O/A 60 days after delivery
Insurance: Covering Institute Cargo Clauses (A) for 110% invoice value
Exchange Risk: If any, for seller's account
若同樣的商品交易，運輸方式改採空運，請問：

1. 上述合約有那些條款需要被修改？(4 分)