Hello I got the wrong answer and I just want to know the correct one since the homework is already finished, Thank you.

In the production possibilities model, unemployed people becoming employed is illustrated by I2: :3' moving from a point below the production possibilities frontier to a point closer to the frontier. .3: :3' moving from a point on the production possibilities frontier to a point above the frontier. IE} shifting the production possibilities frontier outward. II: :3. moving from a point on the production possibilities frontier to a point below the frontier. I2: _:I' moving from one point on the production possibilities frontier to another point on the same frontier. Ii: :3 shifting the production possibilities frontier inward