1) Computer Hardware Development, Inc. (better known as CHaD - also the President and CEO's name) is developing a new laptop computer for McCombs students. Activity Activity Label Predecessor(s) Time (Wks) Design Laptop A - 21 Build Prototype B A 5 Evaluate Design C A 7 Test Prototype D B 2 Write Manual E C, D 5 Prep Production F C, D 8 Test Production G E, F 2 The project network is shown below. A(21) B(5) C(7) D(2) F(8) E(5) (a) (15 Points) Complete the following table. What is the critical path? G(2) Activity Time Earliest Earliest Latest Label (Wks) Start Finish or Start Latest Finish or Slack On the Critical Time Completion Time Completion Path? Time Time Yes or No A 21 B 5 C 7 D E F G 2582 (b) (10 Points) How many weeks can Write Manual (Activity Label E) be delayed and not impact the project completion date? (c) (10 Points) If Write Manual (Activity Label E) takes 8 weeks, what are the critical activities? (d) (15 Points) From the following information, determine the cost to crash the project to the shortest possible duration. Activity Activity Predecessor(s) Time Minimum Per Week Crash Label (Wks) Time Cost Design Laptop A - 21 18 $200 Build Prototype B A 5 3 $100 Evaluate Design A 7 5 $250 Test Prototype D B 2 1 $300 Write Manual E C, D 5 5 Prep Production F C, D 8 6 $150 Test Production G E, F 2 1 $300 ABDFG Path ABDEG Path ACEG Path ACFG Path Crashed Activity(ies) Cost of Total Cost of Crashing Crashing