Use the following scenario and data for questions $21$ to $30$ The Athletic Department of a state university is planning a holiday basketball tournament. The activities, as well as their immediate predecessors and expected times are given in the following table. Activity Description Immediate Predecessor$($s$)$ Expected Time $($days$)$ A Team selection $3$ B Mail invitations and receive acceptances A $5$ C Arrange accommodations $10$ D Design promotional materials B $3$ E Print promotional materials and tickets D $5$ F Sell tickets E $15$ G Complete arrangements B$,$ C $8$ H Develop practice schedule G $3$ I Practice sessions H $2$ J Conduct tournament F$,$ I $3$ QUESTION $26$ The latest start time and earliest finish time of activity I are, respectively, $21,2323,29$ o oo $29,2329,31$ O $31,31$ QUESTION $27$ The slack time of activity B in days is Oo Onone of the aboveQUESTION $28$ The slack time of activity H in days is $0008$ O $1824$ Onone of the above QUESTION $29$ The activities on the critical path are OC$,$ G$,$ H$,$ I, $0$ A$,$ B$,$ G$,$ H$,$ I, O A$,$ B$,$ D$,$ E$,$ F$)$ O A$,$ B$,$ C$,$ G$,$ H$,1$ O none of the aboveQUESTION $30$ The total time in days needed to finish the project is O$21023000$ O none of the above