identify the critical path and find the project completion time

Table 1 gives the list of project activities, their estimated duration in weeks and the relationships by defining the successor activities Table 1: Project Data Activity Duration (Weeks) Successor Activity 5 D, E B 4 F C 6 G D 4 E 4 F 6 G 5 H.K H 2 5 L 11 N K 4 M L 6 N 9 N MI N 6 J J J I J a. Identify the critical path and find the project completion time