Construct an activity on arrow network based on the activity description below. Label activities in the network by their activity letters and properly number the nodes. Remove any redundant dependencies and label dummy activities D1, D2, etc.

Activity H is followed by Activities V, X, L, and Z.

Activity C precedes Activity P and follows the completion of Activities Q, J, and E.

The predecessors to Activity N are Activities E, K, and F.

Activity O follows Activities D and N, and precedes Activity P.

Activity J is preceded by Activities T, D, and L.

Activity I follows Activity U and precedes Activity Q.

Activity U can start when Activities V and X are completed. Activity D follows Activity U.

Activity E depends on Activity L and H and precedes Activities T, N, and J.

Activity M is preceded by Activities X, L and Z and followed by Activities K and F.