Suppose a project consists of the following activities. Activity Immediate Predecessors Time (Days) A None 2 B None 5 C A 1 D B 6 E C, D 4 F C 6 G E, F 4 (a) Draw the activity-on-node (AON) network based on the table above. Only nodes and directed arrows are required in the network for full credit. Circles and arrows can be found in Word under the “Insert” tab ? “Shapes”. Add a dummy start node. (b) List all the paths in the network and determine the completion time of each path for full credit. (c) Which path is the critical path? And why? (d) What is the project completion time?