3. (20 points) the following AON network diagram is taken from 1(b) above (activity times are above the nodes). 5 18 2 13 3 4 10 5 11 8 2 9 a) Convert this AON network to an AOA network diagram (5 points) I b) Using forward and backward passes through the network, determine the early start, early finish, late start, and late finish for each of the activities. Summarize your data in a table showing not only this information, but the slack for each activity as well. Calculate the slack for each path (15 points)