Assignment Given: . . 1. Construct a precedence network based on the activity description below. Label activities in the network by their activity letters. Remove any redundant dependencies. 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 Land H and precedes Activities T, N, and ). Activity M is preceded by Activities X, Land Z and followed by Activities K and F. . . 2. Based on the following duration, calculate: a. Early start times and early finish times b. Late start times and Late finish times c. Total floats, free floats, and independent floats Activity N Activity D E F H Duration 5 3 2 Duration 4 3 4 2 1 1 7 4 1 J K 2 1 1 6 7 3 3 L M 2 3. Identify critical activities and critical path(s)