A. A project manager wanted to reduce six weeks from the projected completion time of the Highway Project in Napoh, Kedah. Activity Predecessor Normal Normal Cost Crash Crash Cost Time Crashing Cost Time ($) Time (S) Reduction Per Week ($) 12 12,000 11 13,000 1000 B 9 50,000 7 64,000 2 7000 C A 10 4,000 5 7,000 5 600 D B 10 16,000 8 20,000 2 2000 E B 23 125,000 15 200,000 8 9375 F A 10 10,000 6 16,000 4 1500 G C 35 500,000 25 530,000 10 3000 H D 200,000 35 260,000 3 20000 | A 14 30,000 10 52,500 4 5625 J E, G, H 4 10,000 1 13,000 3 1000 K F, J,1 6 30,000 4 38,000 2 4000 Totals 171 1213500 38 5) Calculate the total crash costs of 8 weeks reduction (2 MARKS) Activity Weeks Crash Cost (S) 6) What is the probability if the project can be completed in 64 weeks? Given the project variance = 4. Illustrate the normal curve diagram