Question $4$

$($Marks: $20)$

Given the following network diagram and information answer the following questions.

Each cost above is the weekly planned cost for the respective activity.

Q$\mathrm{.}4\mathrm{.}1$ Graph $/$ draw a histogram of the expected planned weekly cost for the entire

$(10)$

project duration.

Q$\mathrm{.}4\mathrm{.}2$ Assume a planned cashflow restriction of R$10000$ per week, graph a new

$(10)$

histogram of the adjusted expected weekly cost for the entire project duration. Comment and interpret the adjustments made and how it impacts the project.