ordered to the next month at a penalty of $12 per unit. \begin{tabular}{|r|r|l|l|} \hline \multicolumn{1}{|l|}{ demand } & \multicolumn{1}{|l|}{ production } & inventory & backorder \\ \hline 100 & 110 & & \\ \hline 120 & 110 & & \\ \hline 120 & 110 & & \\ \hline 100 & 110 & & \\ \hline 110 & 110 & & \\ \hline \end{tabular} Complete the table above, and determine the total backorder cost incurred during this period. The answer to be entered is just the total backorder cost, nothing else