Project Network Homework #$2$:

Given the following table, construct an AOA network and answer the following three questions. Note: You need to completely comply with the six rules of AOA while setting up AOA.

$\backslash$table$[[$Activity$,$Duration $($Days$),$Immediate Predecessor$($s$)],[$A$,6,$None$],[$B$,9,$None$],[$C$,8,$A$,$B$],[$D$,7,$A$,$B$],[$E$,10,$D$],[$F$,12,$C$,$E$]]$

$(1)$ There should be $q,$ paths.

$(2)$ Critical length $=q,$ days.

$(3)$ There should be $q,$ non$-$critical activities.

$(4)$ There should be $q,$ dummy arc$($s$)$ in the AOA network.