Below are the project steps for the creation of a TV advertisement for BoomBam, which is a new energy drink that the musician BoomBam has created.

1. What is the latest time (in days) that Activity B can finish?

A. 8

B. 9

C. 12

D. 13

2. What is the latest time (in days) that Activity D can start?

A. 8

B. 9

C. 12

D. 13

3. How many paths are there in your network diagram of the above project?

A. 1

B. 2

C. 3

D. 4

\begin{tabular}{|c|c|c|c|} \hline Activity & \begin{tabular}{c} Duration \\ (days) \end{tabular} & Description & \begin{tabular}{c} Preceding \\ Activity(ies) \end{tabular} \\ \hline A & 5 & \begin{tabular}{c} Create script for \\ advertisement \end{tabular} & - \\ \hline B & 3 & Book technical crew & A \\ \hline C & 3 & Book actors & A \\ \hline D & 4 & \begin{tabular}{c} Create props and \\ costumes \end{tabular} & B,C \\ \hline E & 5 & Book location & C \\ \hline F & 6 & Filming and editing & D,E \\ \hline \end{tabular}