Question: 3. (30 marks) Consider the following activity on node project where numbers in parenthesis are activity durations. For instance, activity 5 has a duration of

3. (30 marks) Consider the following activity on node project where numbers in parenthesis are activity durations. For instance, activity 5 has a duration of 4 time units. 70) 6 1041) 2(2) 4(2) 8(1) We wish to reduce the project duration to 19 periods with minimal additional cost. Below we are given the normal duration and crash duration costs as well as crash times. Activity Name Immediate Predecessor flist numberame, sepatated by 2 1 2 3 4 5.6 7 8 4 5 6 7 8 9 10 11 Normal Time 6 2 3 2 4 1 1 6 3 1 Crash Time 4 1 3 2 2 1 1 3 2. 1 Normal Cost $100 $100 0 0 $100 0 Danh Coat $240 $150 0 0 $180 0 O $160 $140 $100 $100 9,10 Tabulate the iterations in your solution below. If there are ALTERNATIVE solutions, wite them down as well. Iteration # Project Critical Best Crash No. of Additional Project Duration Path activity to cost/slope crash Duration before crash periods after Crash Crash cost 0 1

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