Question $19$

$8$ points

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table below lists the activities, activity durations, and immediate predecessors. Draw the network to work this and answer the question:

What is the duration of the critical path?

$\backslash$table$[[$Activity$,$Time,$\backslash$table$[[$Immediate$],[$Predecessor$]]],[$A$,3,-],[$B$,8,-],[$C$,5,$A$],[$D$,2,$B$],[$E$,5,$C$,$D$],[$F$,8,$A$],[$G$,3,$C$,$F$],[$H$,4,$E$,$G$]]$

A$)18$

B$)17$

C$)15$

D$)19$

E$)16$