It is ONE question with multiple parts, it's Chegg approved. PLEASE READ CAREFULLY AND DO AND COMPLETE EVERYTHING THE QUESTION ASKS TO THE BEST OF YOUR ABILITY. Thank you so much! 8. If no real-life industry meets the conditions of the perfectly competitive model exactly, why do we study perfect competition? What is the relevance of the model to a decision to switch careers? How might it shed some light on pollution, acid rain, and other social problems?