Show your work on the following problems. Use Excel with formulas to find the solutions to problems 1,2, and 3. Problem 1. can be done on paper and take a picture of the results and upload those results. 1. Work the following CPM problem. Please answer the following questions, based on this information. a. What is the expected completion time of this project? (Draw the CPM diagram and show the results.) b. What is critical path through this project? \begin{tabular}{|l|l|l|} \hline Task & ImmediatePredecess & Duration(Days) \\ \hline A & none & 3 \\ \hline B & none & 5 \\ \hline C & B & 9 \\ \hline D & A & 3 \\ \hline E & B,D & 7 \\ \hline F & D & 4 \\ \hline \end{tabular} a. b. 1. Work the following CPM problem. Please answer the following questions, based on this information. a. What is the expected completion time of this project? (Draw the CPM diagram and show the results.)