<documents_info>The Concept of Opportunity Cost,Production Possibility Frontier,Comparative Advantage and Trade</documents_info>
<query>Explain how the concept of opportunity cost is illustrated by the production possibility frontier using the provided documents.</query>
user
Graph
assistant
<documents_info>The Concept of Opportunity Cost,Production Possibility Frontier,Comparative Advantage and Trade</documents_info>
<query>Explain how the concept of opportunity cost is illustrated by the production possibility frontier using the provided documents.</query>
user
Catalogue
assistant
<query>Explain how the concept of opportunity cost is illustrated by the production possibility frontier using the provided documents.</query>
<documents_info>The Concept of Opportunity Cost,Production Possibility Frontier,Comparative Advantage and Trade</documents_info>