The exchange rate doesn't matter. What matter is the change in the exchange rate. Commodities like food and gas go to the highest bidder usually. If country A

The exchange rate doesn't matter. What matter is the change in the exchange rate. Commodities like food and gas go to the highest bidder usually. If country A is paying $10/pound for bacon and country B is also paying $10/pound for bacon the bacon suppliers will sell bacon to both countries, but if all of a sudden country A is only paying $2/pound for bacon because their currency went down 80%, the bacon suppliers will only sell their bacon to country B at $10/pound.