A project has fourteen activities A through M. The relationships which obtain among these activities are given here. Construct the network and number them.

A is the first operation Band C can be performed in parallel and are immediate successors to A D, E, and F follow B Gfollows E H follows D, but it cannot start until Eis complete / and J succeed G F and J precede K H and / precede L M succeeds L and K The last operation N succeeds M and C.