answer both part a and b

BY ATTEMPTING THIS ASSESSMENT YOU ARE CONFIRMING THAT YOU ARE Section C Answer One Question Question 4 a) Use the information contained below in Fium 04 to compress one time unit per move using the least cost method. Reduce the schedule until you reach the crash point of the network For each move identify what activitys) was crashed the adjusted total cost, and explain your choice if you have to choose between activities that cost the same. [18 marks] b) If the Indirect costs for gach duration are $1 200 for 16 weeks. $1.130 for 15 weeks, $1,000 for 14 weeks, $900 for 13 weeks. $860 for 12 weeks 5820 for 11 weeks, and $790 for 10 weeks, compute the total costs for each duration Plot these costs on a graph. What is the optimum cost-time schedule? [7 marks] le Act Crash Cost (Slope) Maximum Crash Time Normal Time Normal Cost - 110 WO. NNN 140 S990 Time unit = 1 week Project duration 16 Total direct cost $ Figure Q4-Crash cost and Network diagram [Total 25 Marks)