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An American factory needs to buy special tools which are made only by companies in either Switzerland or Britain. The tools made in Switzerland cost 100 francs apiece; the ones made in Britain cost 100 pounds each. Based on the exchange rates below, what should the factory do? U.S. Dollar Comparison $1.00 U.S. = 0.80 Swiss Francs $1.00 U.S. = 0.67 Pounds Buy the tools from Britain Make the tools themselves Wait until the exchange rate gets better Buy the tools from Switzerland