1. Show how the dollar cost to Chrysler of an engine changed over the range ¥240/$ to ¥100/$.
2. Show how Mitsubishi's yen revenue per engine changed over the range ¥240/$ to ¥100/$.
3. Suppose at the time of a new engine shipment, the exchange rate was ¥150/$. What was the dollar cost to Chrysler per engine? What was Mitsubishi's yen revenue per engine?