C a) Activity that should be crashed first to reduce the project duration by 1 day is A b) Activity that should be crashed next to reduce the project duration by one additional day is B c) Total cost of crashing the project by 2 days = $1,500. (Enter your response as an integer.) project network for a large computer installation (all are, of course, critical). Activity details are in the following table: Total Cost with Normal Time Crash Time Normal (days) Activity (days) Cost Immediate Crashing Predecessor(s) 7 $6,000 $6,600 4 $1,200 $3,000 A 11 $4,000 $6,000 B the project duration by 1 day is ABC 629