\begin{tabular}{|l|l|l|l|l|l|l|l|l|l|} \hline Week & & Beg & 1 & 2 & 3 & 4 & 5 & 6 & 7 \\ \hline P & Gross requirements & & & & & & & & 400 \\ \hline L LL & Scheduled receipts & & & & & & & & \\ \hline LT=1 week & Projected on hand & & & & & & & & \\ \hline & Net requirements & & & & & & & & \\ \hline & Planned order receipts & & & & & & & & \\ \hline & Planned order release & & & & & & & & \\ \hline & & & & & & & & & \\ \hline \end{tabular} \begin{tabular}{|l|l|l|l|l|l|l|l|l|l|} \hline Week & & Beg & 1 & 2 & 3 & 4 & 5 & 6 & 7 \\ \hline A & Gross requirements & & & & & & & 400 & \\ \hline L4L & Scheduled receipts & & & & & & & & \\ \hline LT=1 week & Projected on hand & 100 & & & & & & & \\ \hline & Net requirements & & & & & & & & \\ \hline & Planned order receipts & & & & & & & & \\ \hline & Planned order release & & & & & & & & \\ \hline & & & & & & & & & \\ \hline \end{tabular} \begin{tabular}{|l|l|l|l|l|l|l|l|l|l|} \hline Week & & Beg & 1 & 2 & 3 & 4 & 5 & 6 & 7 \\ \hline B & Gross requirements & & & & & & & 400 & \\ \hline Fixed qty =450 & Scheduled receipts & & & & & & & & \\ \hline LT=1 week & Projected on hand & & & & & & & & \\ \hline & Net requirements & & & & & & & & \\ \hline & Planned order receipts & & & & & & & & \\ \hline & Planned order release & & & & & & & & \\ \hline & & & - & & & & & & \\ \hline \end{tabular} \begin{tabular}{|l|l|l|l|l|l|l|l|l|l|} \hline Week & & Beg & 1 & 2 & 3 & 4 & 5 & 6 & 7 \\ \hline C & Gross requirements & & & & & & 800 & & \\ \hline Fixed qty= 600 & Scheduled receipts & & & 100 & & & & & \\ \hline LT=2 weeks & Projected on hand & 90 & & & & & & & \\ \hline & Net requirements & & & & & & & & \\ \hline & Planned order receipts & & & & & & & & \\ \hline & Planned order release & & & & & & & & \\ \hline & & & & & & & & & \\ \hline \end{tabular}