Please copy and paste data from text area below. $4?$ Selected delimiter: Tab Activity Activity Time $($days$)$ Immediate Predecess$($ A $1$ C$.$ B $4$ A C $4$ B D $7$ C E $9.$ C F $4$ C G $3$ F H $1$ D$$E$$G b$.$ Determine the project's critical path and duration. Done The critical path is A$-$B$-$C$-$E$-$H and the project duration is $19$ day$($s c$.$ What