please answer from 29-32

QUESTION 29 Use the following information to answer questions 29-32 The following is the list of activities and the crashing cost for each task. The PERT diagram is also provided below. Activity K L N M j 9 2 Y Z End Immediate Predecessor(s) None K K L N 1.M 0 0 P P Y. Z Normal time (weeks) 9 7 5 4 5 6 8 8 6 Crashing Costs 1" week zed week $820 5830 $250 $90 $90 $600 $700 $ $400 $100 $180 $170 $180 16 M 20 26 P 34 3 34 2.40 OK 20 Q26 6 40 9 1 14 20 26 Y 34 8 How many paths are there in this diagram? (1 mark) 02 03 04 05 QUESTION 30 How many critical paths are there in the diagram? (2 marks) 0 1 O 2 O 3 QUESTION 3 What is the minimum number of weeks for this project to be completed? (2 marks) O 32 O 36 40 O 42 QUESTION 32 The project manager has been asked to crash the project by four weeks. Determine which activities, in order, are to be crashed and the cost associated with crashing for each of the four weeks. Finally, provide the total cost to crash the project by four weeks. Show all of your work. (7 marks)