Activity Nodes Normal Time (Days) Shortest Time (Days) B 8 6 Cost of Reduction per Day 200 600 100 5 9 D 4 3 1-2 1-3 14 2-3 2-5 3-7 4-6 5-7 6-8 7-8 E F G 6 9 12 5 6 3 4 7 8 2 250 800 400 700 H I 3 2 3 J 300 It is further given that the normal cost of doing all activities of the project in normal time is Rs 18,400 and the overhead cost is Rs 500 per day. Further, a penalty of Rs 2,000 per day in excess of 21 days would be levied. Calculate i. The normal duration of the project and the associated cost. ii. The minimum cost at which the project can be done and the time corresponding to it b. Is it possible to shorten the critical path and save money? Explain how