PM.58 Tech Solutions XYZ makes accessory products for tablet computers. Below are all the activities required to develop a new wireless keyboard and cover combination: Activity Duration (days) Immediate Predecessor(s) 6 B 12 6 - D 4 A E 2 F 9 B.DE DE G 15 H 9 F | 7 GH J 12 What is the overall duration of the project (in days)? Nmero days What is the earliest day you could start activity F? (Write the day number in the field below.) Nmero What is the earliest day you could finish activity I? Nmero What is the latest day you could start activity B? Nmero What is the latest day you could finish activity D? Nmero What is the slack time for activity I? Nmero days What would be the overall duration of the project if activity were increased by 5 days, from 15 to 20 days? Nmero days PM.61 Rob Smith is managing a small project at Boston University. He is under pressure to shorten the overall duration of the project by 4 weeks and he wants to do so at the lowest cost possible. In order to meet this objective a number of activities must be crashed. Activity Normal Time (weeks) Normal Cost Predecessor(s) Crashed Time (weeks) 3 5 $900 B 6 5 5 6 $350 $450 $900 Crashed Cost $1,700 $450 $625 $1.050 $2,400 $1,575 - D 3 2 E 5 3 $1,500 $675 F 6 3 B What is the duration of the project (in weeks)? Nmero What is the target duration of the project (after crashing the project)? Nmero By how many weeks should activity A be crashed? Nmero By how many weeks should activity B be crashed? Nmero By how many weeks should activity C be crashed? Nmero By how many weeks should activity D be crashed? Nmero By how many weeks should activity E be crashed? Nmero By how many weeks should activity F be crashed? Nmero What is the total cost of crashing the project 4 weeks (just the additional cost, not total project cost)? (Display your answer to two decimal places. Nmero