Howard owned a large farm on which he raised a variety of farm animals. Determine the type of gain or loss he would realize on the following sales:

1. a six-month-old calf

2. a one-and-one-half-year-old foal

3. six-week-old chickens

4. a 6-year-old bull

5. a 12-year-old mare

6. six-month-old lambs

7. a 2-year-old ram