A multiple-choice question with one possible answer. Choose the industry that is engaged in intra-industry trade most among the following U.S. industries. 1. Office machines 2. O Inorganic chemicals 3. O Telecommunication equipment 4. O Road vehicles 5. O Scientific equipment A multiple-choice question with one possible answer. How do firms respond to trade? 1. O Best-performing firms can expand. 2. O Worst-performing firms can export. 3. O Worst-performing firms can sustain. 4. O Best-performing firms can survive. 5. O Best-performing firms can sustain