Chapter 3 : Project Managemen The following information is for $ 14 ( the numbers in parenthesis represents activity duration , in weeks ) : B ( 5) ) E ( 4 ) 12 1 (4) ( 1 3) F 1 6 14 . The expected duration of this project is : A . There are S paths in this network diagram and the duration of the project is 20 week B . There are 6 paths in this network diagram and the duration of the project is 20 weeks C . There are S paths in this network diagram and the duration of the project is 18 week D . There are 4 paths in this network diagram and the duration of the project is 14 weeks E . There are 6 paths in this network diagram and the duration of the project is 18 week 5 . You have the following time and cost information below for use in a Time - Cost CPM Scheduling model Activity Normal Time Crash Time Normal Cost Crash Cost $400 $600 $600 $1 200 $300 $1.500 What are the three costs per unit of time to expedite each activity ? A . W - $200 , X - $600 , * $1200 B . W = $600 * $1200 8 81500 C . W = $400 . X 8600 . * = $300 D. W 8300 * = $400 8 = $1500 E . W = $200 , X 8300 8 5400