Activity Required Predecessor Normal Time Normal Cost Crash Time Crash Cost A (None) 8 $4000 6 $6000 B (None) 5 1500 4 2000 C (None) 6 2500 4 3000 D A 4 1800 3 2000 E A, B 6 1000 5 1200 F C 7 2000 5 3000 G A 5 3000 3 6000 H D, E, F 8 4500 5 9000 I C 9 6000 4 10000 J D, E, F 6 6000 4 8000 K G, H 4 2000 3 2600 L D, E, F 6 3000 3 9000 M I, J 4 8000 2 12000 The scheduled completion time is 20 weeks. You must pay a $1500 penalty for every week you are late. You get a $1000 bonus for every week you are early. 1. Show your network diagram. 2. Find the normal completion time and the critical path. 3. Determine the schedule that minimizes your total cost for this project, including any penalty or bonu