Based on this table, what is the project completion time?

Based on this table, what is the project completion time?

A) 10 days

B) 15 days

C) 23 days

D) 27 days

Based on Table in Question 4, what is the critical path?

A) Start - A-B-C-E-F- finish

B) Start -A-E-F - finish

C) Start -A -B-D-F- finish

D) Start- B-D-F- finish

\begin{tabular}{|c|c|} \hline Activity & EstimatedDuration(TE) \\ \hline A-B & 6 \\ \hline B-C & 7 \\ \hline B-D & 6 \\ \hline C-E & 9 \\ \hline E-F & 5 \\ \hline D-F & 11 \\ \hline \end{tabular}