Question $3\mathrm{.}3$ The appointing authority $($above$)$ also needs an understanding of planning tools that can be utilized in the project. Defend the use of the different planning tools and documents in the project, highlighting the significance of each. $($i$)$ Work breakdown structure $($WBS$)(7)($ii$)$ Statement of Work $($SOW$)(7)($iii$)$ Responsibility matrix $(6)[20]$