Project Management Part C: ES EF, LS, and LF 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 A 7 A 8 B, C 1 B, C 4 Activity Description A Position recruiting B System development System training D Equipment training E Manual system test F Preliminary system changeover G Computer-personnel interface H Equipment modification 1 Equipment testing J System debugging and installation K Equipment changeover DE 6 DE 3 H F G 1 2 GI (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