lEJIUESTIIElIIi'il 4 An appreciation of the exchange value of the US. dollar would: 0 increase the dollar prices of US. imports and the foreign cost of exports from the US. 0 decrease the dollar prices of US. imports and the foreign cost of experts from the US. 0 increase the dollar prices of US. imports. but decrease the foreign cost of exports from the US. decrease the dollar prices of U5. imports, but increase the foreign cost of exports from the US