In the Harvard Business Review Article "You can manage construction risk", Colossal Country Hospital committed several major errors in managing this project. Which one of the following is one of those ? 1. They realized that they were not experts in the construction process and therefore used external firms to help them understand the process. 2. They did manage the architect to control scope. 3. They did not like the overall price that the original contractor gave them, so they rebid the job and went with the lowest bidder. 4. They appointed one professional project management firm to manage the entire job