Which activity is an input to the select sellers process?

A company has a transformation project in progress. During a planning session, several stakeholders are in constant disagreement and often use personal arguments to support their position. Team members are getting frustrated with the situation.
What should the project manager have done to avoid this situation?

The project team has planned to complete 10 activities in 10 working days. During the seven days, the team members have finished five activities, and they escalate that one activity was underestimated, which requires five additional days to complete.
What should the project manager's next step be?

Amount at Stake is the _____ .

Some members of a project team are frustrated by a new team member who previously worked in a Scrum setting This new team member approaches members of the project team on a daily basis in what appears to be an attempt to engage in individual standup meetings What should the project manager do?