Q1. (80 pts.). Consider the below project table for the Project Crashing 1 Activity Predecessors Normal time (weeks) 38 Normal Crash time cost ($) (weeks) Crash cost ($) Ag - 508 18 1008 g Ag 808 28 68 108 1208 18. 1508 Cx Ag 608 58 D B,C8 118 508 68 1508 8. Ex 88 1008 48 2008 g B,C Eg FX 58. 408 28 708 g G 708 28 1108 8. D.FR 68 a) Draw the precedence network diagram. I b) Compute the critical path, associated time and cost (normal time). 1 c) Reduce the project duration to 26 weeks at minimum cost? What is the critical path and cost? d) Reduce the project duration to 23 weeks at minimum cost? What is the critical path and cost