Q$\mathrm{.}5)$ Considering the setting up a crather fir a prooessing plant, activities performed during the opention and fleir estimates of activity times $($in weeks$)$ are provided in Talle lelow.

Table. Estimated treas in daps for activities in face advancing

$\backslash$table$[[$Avtivity$,$Immediate Pridedessaria$),$Hest Estimate Trmp$,$Expected nime,wast Estimate Time$],[$besign and furd Cruster,$*,1,3,5],[$Desgn and Busd Orwher base, $-,3,4,5],[$Instal Coturyer,Design and Bult Orviter and Onalter Base,$4,5,5],[$Dumartle and Move Ornither,Desug and Bust Cruther Bose,$3,5,7],[$Mariting the Orabler,,$5,6,43],[$Wasting the fective wing,,$4,7,0],[$Ansemede Crinler,,$5,8,0]]$

Given the data shown is the following table fire a PLERT actwol:

Drus the network:

f$.$ Determine the expected completive time and variacte fise the project.