Question 5. Project Management (20 marks) After knowing the postponement of the Tokyo Olympic Game 2020, a national team is planning to set up a new assessment facility to monitor the performance of its athletes during the postponed period. Assume the network and data that follow. Activity Immediate Predecessors N/A Normal Time Crash Time 6 B A 6 B A D A Normal Cost $8000 $10000 $15000 $12000 $8000 $17000 $5000 $5000 $2000 $14000 | Crash Cost $18000 $12000 $20000 $13000 $12000 $20000 $6000 $11000 $6000 $17000 F 10 11 2 G F CE E, G H, I 3 2 - 2 1 10 (a) Draw the network diagram and determine the critical path and the early completion time in weeks for the project. (b) For the data shown, reduce the project completion time by four weeks. Assume a linear cost per week shortened, and show, step by step, how you arrived at your schedule. (c) If the indirect cost is $1000 per week, what is the best crashing option? Why