Assuming you are able to reduce a project duration, which action would GUARANTEE an improvement in overall project$$ duration?

Group of answer choices

Employ the agile project management approach

Add dummy activities to the project to$$ off$-$set long duration task steps

Document the project using an$$ Activity$-$on$-$Node diagram

Convert the project from CPM to PERT project management

Reduce the duration time of a task on the critical path