$\backslash$table$[[$Activity$,\backslash$table$[[$Activity Time$],[($weeks$)]],\backslash$table$[[$Immediate$],[$Predecessor$($s$)]]],[$A$,3,$none$],[$B$,4,$A$],[$C$,2,$B$],[$D$,5,$B$],[$E$,4,$C$],[$F$,3,$D$],[$G$,2,$E$,$ F$]]$

Construct a network diagram using AON notation.

Using the network diagram constructed in Problem $1,$

a$.$ Calculate the completion time for the project.

b$.$ Determine which activities are included on the critical path.