In which of the following scenarios would a Program Manager use a PERT chart to describe the status of a project? More than one answer may be selected. Check All That Apply when providing an update to their manager regarding the status of their projectwhen providing an update to their manager regarding the status of their project for their own understanding of what activities were completed, in progress, or yet to be begunfor their own understanding of what activities were completed, in progress, or yet to be begun when providing an update to an external clientwhen providing an update to an external client in reports that would be viewed by executives outside of their department