1. AGGREGATE PLANNING Initial Inventory 500 units Inventory on hand in the end of the 3rd period: 200 units a) Zero Inventory Plan \begin{tabular}{|l|l|l|l|l|} \hline Period & & 3 \\ \hline Units/Worker & Total \\ \hline Net Demand & & & \\ \hline Workers Needed & & & \\ \hline Workers Avail. & & & \\ \hline Workers Hired & & & \\ \hline Hiring Cost & & & \\ \hline Workers Layoff & & & \\ \hline Layoff Costs & & & \\ \hline Workers Used & & & \\ \hline Wages & & & \\ \hline Units Produced & & & \\ \hline Net Inventory & & & \\ \hline Holding Cost & & & \\ \hline Backorder Cost & & & \\ \hline Total Cost & & & \\ \hline \end{tabular} b) Constant Workforce (no backorders) What is the more economical strategy? Which one are you going to use