Construct the network diagram and identify the critical path?

Construct the network diagram and identify the critical path? Activity Immediate predccassors days A B m A - 2 4 3 B A 1 3 2 C A 2 10 6 D C 1 3 2 E A 1 5 3 F B 2 4 3 G C 3 7 5 H C 0.5 1.5 1 I F,h 1 2 1.5 J I 1 3 2