$1\mathrm{.}1$ Define a Work Breakdown Structure $($WBS$)$ and explain its importance in project management. $(10)$

$1\mathrm{.}2$ Based on the above case study, create a hierarchical Work Breakdown Structure $($WBS$)$ for the construction project. Include at least three levels of decomposition. $(12)$

QUESTION ONE $[30]$

Read the following mini$-$case study and answer the questions that follow:

Mini Case Study: Construction of a Residential House

XYZ Construction Company has been awarded a contract to build a residential house for a client. The project involves constructing a two$-$story house with three bedrooms, two bathrooms, a kitchen, a living room, and a backyard patio. The client has provided the architectural drawings and specifications for the house. The project manager has been assigned the task of creating a Work Breakdown Structure $($WBS$)$ for the construction project.