Problem $21-21($Algo$)$ The MRP gross requirements for Item X are shown here for the next $10$ weeks. Lead time for A is two weeks, and setup cost is $$13.$ There is a carrying cost of $$0\mathrm{.}02$ per unit per week. Beginning inventory is $75$ units. The MRP gross requirements for Item $\backslash ($ X $\backslash )$ are shown here for the next $10$ weeks. Lead time for $\backslash ($ A $\backslash )$ is two weeks, and setup cost is $\backslash (\backslash$$ $13\backslash )$ There is a carrying cost of $\backslash (\backslash$$ $0\mathrm{.}02\backslash )$ per unit per week. Beginning inventory is $75$ units. Use the least total cost lot$-$sizing method to determine when and for what quantity the first order should be released.