Please do both problems since they are connected. Thanks!

1. Draw the network schedule (AON) for a board fence installation; determine total duration, critical path, and any float (free and total). Complete the legend for the diagram. Duration Predecessors 1 1 3 1 1 2 3 3 SS/1 4 SS/4 S 7 6 7 5 SS/O # Description 1 Mobilize 2 Clearing & grubbing 3 Layout fence alignment 4 Deliver posts to site Auger post holes Set posts in holes 7 Backfill and plumb posts Install boards for fence Deliver boards for fence 10 Paint boards for fence 11 Plant shrubs along fence 12 Final inspection 13 Demobilize 10 6 SS/1 8 5 7 FF/1 9 3 8 SF/7 12 8 SS/2 7 10 SS/8 1 8, 10/2, 11 12 2. Resolve the schedule (problem 1) to achieve all FS relationships, lags permitted. Complete a revised network schedule, below. Determine total duration, critical path, and any float (free and total). Draw revised network schedule. # Description Duration Predecessors 1 2 3 4 S 6 7 8 9 10 11 12 13