Activity Normal Time (weeks) Crash Time (weeks) Normal Cost 51,000 52,000 $300 51,300 $850 $4,000 $1,500 Total Cost With Crashing $1,600 $2,700 $300 $1,600 $1,000 $5,000 $2,000 Pred 1 Pred 2 I I-28a: What is expected project complete time (before crashing)? 11-28b: Which activities should be crashed and by how much? I I-28c: What is the additional project cost to crash to I O weeks?