FOB is FOB, and the buyer is responsible for sending a ship to pick up the goods, and the seller has no other business expenses. So FOB is the net foreign exchange income of goods.

The net foreign exchange income of export commodities refers to the foreign exchange income of export commodities MINUS the foreign exchange payable in export business, and the difference is the net foreign exchange income of export. Without commission, the net export foreign exchange income is equal to the FOB transaction price.