The MRP gross requirements for Item A are shown here for the next 10 weeks. Lead time for A is three weeks and setup cost is $10. There is a carrying cost of $0.010 per unit per week. Beginning inventory is 88 units. WEEK 1 2 3 4 5 6 7 8 9 10 Gross requirements 30 50 8 20 70 80 20 60 200 50 Use the least total cost and the least unit cost lot-sizing method to determine what quantity the first order should be released and for which period.

\begin{tabular}{|l|l|l|} \hline & \multicolumn{1}{|c|}{ Quantity Ordered } & Period \\ \hline Least total cost & & \\ \hline Least unit cost & & \\ \hline \end{tabular}