A facility is trying to set up an assembly line, and has identified the various tasks, and their relationship to each other, as shown in the following table. Managers wish to produce 600 units per day during 8-hour operations.

\begin{tabular}{|c|c|c|} \hline Task & Immediately preceding task(s) & Processing time (seconds) \\ \hline A & & 30 \\ \hline B & & 25 \\ \hline C & & 15 \\ \hline D & A & 26 \\ \hline E & A & 45 \\ \hline F & B, C, D & 20 \\ \hline G & E & 20 \\ \hline H & F, G & 40 \\ \hline \end{tabular}