Considering the following Activity$-$On$-$Node $($AON$)$ project $($activity completion times are in days$),$ what is the slack time associated with activity E$?$Considering the following Activity$-$On$-$Node $($AON$)$ project $($activity completion times are in days$),$ what is the slack time

associated with activity $E?$

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$3$ days

$0$ days

$1$ day

$2$ days