Answer: $0
Explanation:
None of this income should be treated as foreign source income as they are all U.S. based/ sourced income.
FOB shipping point means that the seller takes responsibility of the goods as soon as the goods are shipped. This is essentially saying that the Santa Fe Corporation should recognize the sale as soon as they ship the goods.
The goods were shipped in the United States so the sale should be recognized as having happened in the United States which means that it is a U.S. sourced income.