The AON network for the project is provided, along with information on the normal time, crash time, normal cost, and crash cost, as well as the earliest start time (ES), earliest finish time (EF), latest start time (LS), latest finish time (LF), and slack time for each activity. Activity Immediate predecessors Normal time Crash time Normal cost Crash cost Crash cost (days) (days) per day A 2 2 400 B A 7 C A 75 7 800 2 600 900 100 D A 4 1 1600 2200 200 E C, D 4 1 500 1700 400 F B, E 2 2 1300 Activity ES EF LS LF A 0 2 0 2 Slack time 0 B C D E 2227 9 4 11 2 7 2 7 0 6 3 7 1 11 7 11 0 F 11 13 11 13 0 Use this information to complete this question: Crash the above project to the maximum days it can be crashed at the least cost. For each stage (day) that the project is crashed, fill out the following table. If more rows are needed, please add them manually. Stage Critical path/s Total project time before Crash activity/ies Crash cost Total crash added cost of the crashing project Total project time after crashing 1 2 3 What happens to the slack time of activity B if the duration of activity C reduced by 2 days? Explain your answer.