In a critical chain implementation, you observed that you completed 75% of the project and consumed 60% of the project buffer. Which of the following is correct?

1. You should pause the project and re-assess the size of the project buffer
2. You should shift a portion of the project buffer to the feeding buffer
3. You should remove all the resource buffers
4. More than one of the above statements is correct
5. None of them is correct