I already created this for Project remodeling the appliance:

What I need help with is Exercise 10.21: Now, continue developing your Gantt chart with the rest of the information contained in the table in Exercise 10.19, and create a complete activity network diagram for this project.

Here is the table in exercise 10.19:

Now, continue developing your Gantt chart with the rest of the information contained in the table in Exercise 10.19 , and create a complete activity network diagram for this project. Project: Remodeling an Appliance \begin{tabular}{|c|l|c|c|} \hline Activity & & Duration \\ \hline A & Conduct competitive analysis & 3 \\ \hline B & Review field sales reports & 2 \\ \hline C & Conduct tech capabilities assessment & 5 & 2 \\ \hline D & Develop focus group data & 3 \\ \hline E & Conduct telephone surveys & 3 \\ \hline F & Identifyrelevantspecificationimprovements & 1 \\ \hline G & Interface with marketing staff & D \\ \hline \end{tabular} \begin{tabular}{|c|c|c|c|c|} \hline & \multicolumn{2}{|c|}{ Normal } & \multicolumn{2}{|c|}{ Crashed } \\ \hline Activity & Cost & Duration & Extra Cost & Duration \\ \hline A & $5,000 & 4 weeks & $4,000 & 3 weeks \\ \hlineB & 10,000 & 5 weeks & 3,000 & 4 weeks \\ \hline C & 3,500 & 2 weeks & 3,500 & 1 week \\ \hline D* & 4,500 & 6 weeks & 4,000 & 2 weeks \\ \hline E & 1,500 & 3 weeks & 2,500 & 7 weeks \\ \hline F & 7,500 & 8 weeks & 5,000 & 6 weeks \\ \hlineG & 3,000 & 7 weeks & 2,500 & 5 weeks \\ \hline H & 2,500 & 6 weeks & 3,000 & \\ \hline \end{tabular} Now, continue developing your Gantt chart with the rest of the information contained in the table in Exercise 10.19 , and create a complete activity network diagram for this project. Project: Remodeling an Appliance \begin{tabular}{|c|l|c|c|} \hline Activity & & Duration \\ \hline A & Conduct competitive analysis & 3 \\ \hline B & Review field sales reports & 2 \\ \hline C & Conduct tech capabilities assessment & 5 & 2 \\ \hline D & Develop focus group data & 3 \\ \hline E & Conduct telephone surveys & 3 \\ \hline F & Identifyrelevantspecificationimprovements & 1 \\ \hline G & Interface with marketing staff & D \\ \hline \end{tabular} \begin{tabular}{|c|c|c|c|c|} \hline & \multicolumn{2}{|c|}{ Normal } & \multicolumn{2}{|c|}{ Crashed } \\ \hline Activity & Cost & Duration & Extra Cost & Duration \\ \hline A & $5,000 & 4 weeks & $4,000 & 3 weeks \\ \hlineB & 10,000 & 5 weeks & 3,000 & 4 weeks \\ \hline C & 3,500 & 2 weeks & 3,500 & 1 week \\ \hline D* & 4,500 & 6 weeks & 4,000 & 2 weeks \\ \hline E & 1,500 & 3 weeks & 2,500 & 7 weeks \\ \hline F & 7,500 & 8 weeks & 5,000 & 6 weeks \\ \hlineG & 3,000 & 7 weeks & 2,500 & 5 weeks \\ \hline H & 2,500 & 6 weeks & 3,000 & \\ \hline \end{tabular}