Inventory question

1) The demand for a particular item over the next 12 months is given in the table at the end of the question. (Different demand values for different students) The holding cost is $1 per item per month, charged to average inventory. The fixed cost of placing an order is $300. At the beginning of month 1 there are 0 units of initial inventory. No shortages are permitted. Determine a production plan for this product over the 12-month planning horizon using the Wagner Whitin algorithm and fill in the below table. \begin{tabular}{|c|c|c|c|c|c|c|c|c|c|c|c|c|} \hline Month & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 & 10 & 11 & 12 \\ \hline Demand & 20 & 100 & 10 & 25 & 375 & 95 & 100 & 240 & 30 & 65 & 75 & 210 \\ \hline \end{tabular}