QUESTION $3$

$(20$ Marks$)$

The project manager of Company $x$ has identified the various activities required to complete his project. Use the information below to construct a network diagram $($AON$)$ for the project and determine its critical path.

$\backslash$table$[[$Task$/$Number$,$Duration $($Days$),$Predecessors$],[$A$,15,-],[$B$,10,$A$],[$C$,9,$A$],[$D$,7,$B$],[$E$,8,$C$,$ D$],[$F$,7,$E$]]$