1. A farmer can feed any combination of animals within the following range:

Pigs	Cows
84	12
75	15

Given the option available to him, what is the opportunity cost to the farmer ofrearing one cow?

2. Figure below presents a production-possibility frontier for food and clothing.

a. What is the opportunity cost of increasing food production from 0 to 2 million units, from 2 million to 4 million units, and from 4 million to 6 million units?

b. What is happening to the opportunity cost of increasing food production from 0 to 6 million units?

c. Explain how the shape of the production-possibility frontier implies increasing costs for the production of clothing.