a) Draw the network diagram b) Calculate the total duration of the project c) Identify the critical path of the project d) Why is it important for project manager to perform a CPA at the early stages of a project?

Considering the project information presented in the table below: Activities Duration (days) Predecessor A 7 B 9 A 7 B A 0 00 D - IQ T MOO 2 D 10 E, C 3 F G J 4 I, H K 3 C