3. The figure below is an Activity on Arrow (AOA) network diagram for a project. The lettered A through G represents an activity as shown in the accompanying precedence diagram. The deterministic time for each activity is in the node. Please answer the following questions: 1) Which path is the critical path? What is the length of the expected time of the project? 2) Determine the following quantities for each activity: the earliest start time, the latest start time, the earliest finish time and the latest finish time and the slack time. Please present your answer in a table