A refurbishment project consists of the following activities:ActivityDuration $($days$)$PredecessorsA $5-$ B $7$ A C $2$ A D $3$ B$,$ C E $5$ B F $3$ E What is the duration of this project?$$Answer $1$ Question $1$The critical path is:Multiple choice $1$ Question $1$A$-$C$-$DA$-$B$-$E$-$FA$-$B$-$DA$-$B$-$D$-$ENone of the aboveDue to a late delivery of equipment, activity C is delayed by $7$ days. How many days can activity D now be delayed without delaying the completion of the project?$$Answer $2$ Question $1$