Extracted text: Draw the arrow diagram for the following activities and show the critical path. activity duration Pervious Follow A 2 D,G,H 4 E C F D 3 A L E 4 G,H F 3 C 1,J 5 A,E,I H 4 A,E,I K F G,H J F N,K K 8 H,J L 4 D,G M 5 L P N 4 J 2 P 2 M,K,O Q 3 | B z O