The Customs shall reply in writing within （） from the date of receipt of the application for the refund of the duty paid and notify the applicant of its decision.

单项选择题We usually accept payment by irrevocable L C payable （） shipping document.

A. among
B. between
C. against
D. about

单项选择题When the seller pays for all charges up to an including the loading of a consignment on board the carrying vessel, the term is （）.

A. CIF
B. FOB
C. CFR
D. CPT