$3($a$)$ A new shopping centre will be constructed by your company in $2024$ based on your

company good performance completing the same project in $2020.$ The new

shopping center construction is twice the size, as compared to the previous

construction back in $2020.$ The previous building costs, RM $500,000$ where the cost

index was $110$ in $2020$ and $492$ in $2022.$ The cost capacity factor for similar building

is $0\mathrm{.}9.$ You must improve the earthwork which will cost RM $25,000.$ Project

management is projected to cost $4\%$ of all other construction costs. Berjaya

Engineering is appointed for external works. They have experience in extemat

works for three similar projects of building shopping centers consecutively, their

learning rate is $90\%$ can be assumed. In $2020,$ Berjaya Engineering built the external

works in $480$ hours. For this project, extemal works labor will be charged to your

company at RM$60$ per hour and the material will cost RM $350,000.$

$($i$)$ Based on cost estimation for construction in$2024,$ calculate the approximate

cost of the new shopping centre.

$(4$ marks$)$

$($ii$)$ Estimate labor time of earthwork to find the material and labor cost for it$.$

$(4$ marks$)$

$($iii$)$ Calculate the construction and management cost of new shopping centre.

$(4$ marks$)$

$($iv$)$ Calculate the total estimated cost to construct the new shopping centre in

$.2024.$

$(3$ maris$)$