Two critical path activities are candidates for crashing on a CPM network. Activity details are in the table below. To cut one day from the project's duration, activity ________ should be crashed first, adding ________ to project cost. [Blank1]
Activity Normal Time Normal Cost Crash Time Crash Cost
B 4 days $6,000 3 days $8,000
C 6 days $4,000 4 days $6,000
