\begin{tabular}{ccccccc} Quarter & Forecast & Production & Level Plan Ending Inventory & Shortage (Units) & Hire (Units) & Layoff (Units) \\ \hline 1 & 1,500 & 0 & & & \\ \hline 2 & 1,400 & 1350 & 0 & 50 & 0 & 150 \\ 3 & 1,000 & 1350 & 300 & 0 & 0 & 0 \\ 4 & 1,700 & 1350 & 0 & 507 & 0 & 0 \\ \hline \end{tabular} \begin{tabular}{ll} \hline & \multicolumn{1}{c}{ Costs } \\ \hline Previous quarter's output & 1,500 units \\ Beginning inventory & 0 units \\ Stockout cost for backorders & $45 per unit \\ Inventory holding cost & $9 per unit for every unit held \\ & at the end of the quarter \\ Hiring workers & $40 per unit \\ Layoff workers & $70 per unit \\ Unit cost & $35 per unit \\ Overtime & $15 extra per unit \\ Subcontracting & Not available \end{tabular} \begin{tabular}{ccccccc} Quarter & Forecast & Production & Level Plan Ending Inventory & Shortage (Units) & Hire (Units) & Layoff (Units) \\ \hline 1 & 1,500 & 0 & & & \\ \hline 2 & 1,400 & 1350 & 0 & 50 & 0 & 150 \\ 3 & 1,000 & 1350 & 300 & 0 & 0 & 0 \\ 4 & 1,700 & 1350 & 0 & 507 & 0 & 0 \\ \hline \end{tabular} \begin{tabular}{ll} \hline & \multicolumn{1}{c}{ Costs } \\ \hline Previous quarter's output & 1,500 units \\ Beginning inventory & 0 units \\ Stockout cost for backorders & $45 per unit \\ Inventory holding cost & $9 per unit for every unit held \\ & at the end of the quarter \\ Hiring workers & $40 per unit \\ Layoff workers & $70 per unit \\ Unit cost & $35 per unit \\ Overtime & $15 extra per unit \\ Subcontracting & Not available \end{tabular}