a$)$ Listed in the table below are the activities and sequencing requirements necessary for the completion of a project.

$\backslash$table$[[$Activity$,$Predecessor,$\backslash$table$[[$Duration in$],[$weeks$]]],[$A$,-,6],[$B$,$A$,24],[$C$,$A$,6],[$D$,$A$,12],[$E$,$A$,9],[$F$,$C$,$ D$,$ E$,18],[$G$,$B$,$ F$,12],[$H$,$G$,24]]$

i$)$ Draw a net work diagram for the project.

ii$)$ Find the critical path and the duration for the completion of the project.