$[4]$ This is more of a production problem than a project management one. But, the idea of task$/$activity$,$ precendence, duration, and then critical path apply equally. Consider the chart below, draw the network diagram, and delineate paths and the expected time each path would take. Which is the critical path and interpret what that means.

Table $1$: Steps sollowed to produce padiocks.

Activity

Description

Immediate

Duration $($Hours$)$

Predecessor

$\backslash$table$[[$A$,$Receive raw materials,,$0\mathrm{.}5],[$B$,$Bolecutting,A$,1\mathrm{.}0],[$C$,$Transfer Machine $($series of drilling and cutting operations$),$B$,1\mathrm{.}5],[$D$,$Transfer Machine $($barsels$),$B$,1\mathrm{.}4],[$E$,$Barrel pinning,D$,1\mathrm{.}2],[$F$,$Shackle groove cutting,B$,0\mathrm{.}8],[G,$Shackle Bending,F$,1\mathrm{.}0],[$H$,$Insert shackle into body,C$,$E$,$G$,0\mathrm{.}4],[1,$Insert barrel into body and test kev set,H$,1\mathrm{.}4],[1,$Packagingof padlock,II$,0\mathrm{.}5]]$