These sections should be looked at most carefully, the rest is less important:
Specialization, Exchange, and Comparative Advantage
Capital Goods and Consumer Goods
Also, the whole section on the production possibilities frontier
Assigned problems from Problem Set: #4,8
transparencies -- you can view (click on the text) and download or print out these files:
Basic Production Possibilities Graph
Production Possibilities Facts
Going Further: As an optional matter, here (below) are some remote web sites prepared by Dr. Edwards that you might find helpful, especially if you are having trouble with these topics.