Consider the AON network in the next page. a) Compute the earliest start time, earliest finish time, latest start time, latest finish time, and slack time for each activity. b) Compute the duration of the project. c) Identify critical activities. F H 3 2 A . C E 2. 2 4 START G DIE 5 1. The Farmer's American Bank of Leesburg is planning to install a new computerized accounts system. Bank management has determined the activities required to complete the project, the precedence relationships of the activities, and estimated durations as follows: Activity Activity Duration Predecessor (Weeks) 8 12 7 A 8 B, C 1 B, C 1 Activity Description A Position recruiting B System development C System training Equipment training E Manual system test F Preliminary system changeover G Computer-personnel interface H Equipment modification I Equipment testing J System debugging and installation K Equipment changeover D, E 6 D, E 3 H F G 1 2 GI 8 (a) Draw the activity-on-node network. (b) Compute the earliest start time, the earliest finish time, the latest finish time, the latest start time, and the slack of each activity