Q4. Based on the project data provided in the table below, answer questions a) to d). (30 points) Slope Time (weeks) Normal Crash Max. Crash Time Activity A 9 00 8 B 11 9 13 11 D 25 22 Cost (KD) Normal Crash 33000 35000 47000 50000 25000 29000 53000 56500 50000 53000 29000 30000 63000 71000 36000 39000 23000 26000 23500 28500 E 31 30 15 13 G 18 16 45 41 bnuB 14 11 13 14 CPM is ABDEGHJ a) Calculate the maximum crashing time (Max. Crash Time) and Slope for each activity. (10 points) b) Crash the project (reduce the duration) for 8 weeks. (5 points) c) What is the total cost of the project before and after crashing it by 8 weeks? Briefly explain the costs included in the calculations. (10 points) d) What can be the maximum crashing time for the overall project? Explain briefly. (5 points) Note: You need to show all calculation steps in your answers