At the working level, which of the following is a responsibility of the Integrated Product Team (IPT) during the risk management (RM) process?
1. Ensure the RM process is executed in accordance with the program's Program Risk Process (PRP) Document.
2. Implement and report on the progress of the mitigation plan.
3. Report program-level risk status to the program manager (PM) and Risk Management Board (RMB).
4. Approve and track the status of IPT-level risk mitigation plans.