Select all correct answers below about the impact of reducing the assembly cost per hour from 11$ to 5$:

1. Assembly department capacity is binding
2. The decisions about which model to make and line to test on changed
3. The sales limits on all model computers are binding
4. The decisions about which model to make and which line to test on did not change
5. Test line 2 capacity is binding
6. Test line 1 capacity is binding