Microsoft project management software used to plan, manage, and communicate a project schedule and other information among workgroup members, project managers, and other stakeholders.
Casper T --
Double-click the summary task and select the Advanced tab in the Task Information dialog. At the bottom of the Advanced page, make sure that the "Rollup" checkbox is selected. If not, select it and then click the OK button..
Double-click each of the three subtasks and select the Advanced tab in the Task Information dialog. At the bottom of the Advanced page, select the "Rollup" checkbox and click the OK button.
Hope this helps.