Use This Information to Answer the Following Questions -Refer to the Information Above

Use this information to answer the following questions.
Jamie is planning a trip overseas.A variety of activities must be completed before her departure.The following table describes the relationships between these activities.
$$\begin{array} { c l } & \text { Immediate } \\\text { Activity } & \text { Predecessors } \\\text { A } & - \\\text { B } & \text { A } \\\text { C } & \text { A } \\\text { D } & \text { B, C } \\\text { E } & \text { B, C } \\\text { F } & \text { D, E } \\\text { G } & \text { F }\end{array}$$
-Refer to the information above.Jamie was able to estimate the activity times as shown in the table below.
a.Calculate the earliest and latest start and finish times for each activity.
$$\begin{array} { c l l } \text { Activity } & \text { Time (Days) } \\ \text { A } & 4 \\\text { B } & 4 \\\text { C } & 5 \\\text { D } & 3 \\\text { E } & 3 \\\text { F } & 2 \\\text { G } & 1\end{array}$$
b.Calculate the slack for each activity.
c.Determine the critical path.
d.Determine the length of the project.