Exercise #$3-$ Build Network diagram $($AON$)$ and Confirm Critical Path

$\backslash$table$[[$Task ID$,$Task Description,Task Predecessors,$\backslash$table$[[$Task Duration$],[($hours$)]]],[$A$,$Project start,,$0],[$B$,$Buy materials for A$,$A$,10],[$C$,$Buy materials for B$,$A$,20],[$D$,$Build A$,$B$,$ C$,30],[$E$,$Build B$,$B$,$ C$,20],[$F$,$Polish and finish B$,$E$,40],[$G$,$Join A and B$,$D$,$ F$,20],[$H$,$Project finish,G$,0]]$

CRITICAL PATH:

Exercise #$4-$ Build Network diagram $($AON$)$ and Confirm Critical Path

$\backslash$table$[[$Task$,$Duration,Dependency$],[$Task $1,4$d$,],[$Task $2,2$d$,],[$Task $3,4$d$,2],[$Task $4,2$d$,],[$Deliverable A$,,1,3,4$