\begin{tabular}{ccc} \hline Activity & Duration (days) & Predecessors \\ \hline A & 3 & None \\ B & 2 & None \\ C & 6 & A \\ D & 1.5 & A, B \\ E & 2.5 & C, D \\ F & 3.5 & D \\ G & 4 & E, F \\ \hline \end{tabular} Choose the correct project network diagram below. A. B. C. D. b. Identify all the paths through the network and their lengths. Fill in the table below (enter your responses rounded to one decimal place). c. The critical activities are so they make up the critical path. The entire project will take days to complete. (Enter your response rounded to one decimal place.)