Which of the following is true?

Which of the following is true?
 
  a. When a sourcing contract is agreed in a FOB term, the sourcer must arrange international shipping and clearance of U.S. Customs once the goods arrive at the sourcer's country.
  b. When a sourcing contract is agreed in a CIF term, the sourcer must purchase an insurance policy of ocean shipments.
  c. When a sourcing contract is agreed in a LDP term and the goods were damaged during the ocean shipment, it is the sourcer's responsibility to claim the insurance and reimburse the loss of the goods from the insurance company.
  d. When a sourcing contract is agreed in a FAS term, it is the supplier's responsibility to make a duty payment to the U.S. Customs once the goods arrive at the sourcer's country.