22. Jet engine manufacturing entails enormous economies of scale. Pratt & Whitney, a large U.S. jet engine producer, faces substantial competition from Rolls-Royce, the British engine manufacturer. What would be the BEST way for P&W to cope with a dollar that has recently appreciated by 50%? a) accelerate R&D spending and cost-cutting efforts b) shift some of its production abroad c) raise the foreign currency prices of its engines sold abroad d) buy dollars forward