1. Shell analyzes environmental costs for oil refining operations: Prevention ($2,000,000), Detection ($1,500,000), Internal failure ($1,000,000), External failure ($500,000).
   • Requirements:
     • Classify environmental costs by cost category.
     • Calculate the environmental cost per unit of production.
     • Prepare an environmental cost analysis report.
     • Recommend strategies to reduce environmental costs and improve sustainability.
     • Evaluate the impact of environmental cost management on corporate social responsibility.