Question $18(1$ point$)$

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A project consists of seven activities. The following table shows the estimated tim of the activities and the precedence relations.

$\backslash$table$[[$Activity$,\backslash$table$[[$Estimated$],[$durations $($days$)]],\backslash$table$[[$Immediate$],[$predecessor$]]],[$A$,9,],[$B$,10,],[$C$,5,$A$],[$D$,3,$A$],[$E$,6,$B$,$ C$],[$F$,3,$B$,$ C$],[$G$,4,$D$,$ E$]]$

If the duration of activity $B$ increases by $5$ days, by how many days will the project duration increase?

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