Consider the end item$$super widget A$,$ one unit of A contains two units of B and one unit of C$.$ C$,$ in turn, contains four unit of D and one unit of E$.$ The lead time for A$,$ B$,$ C$,$ D$,$ and E is $2$ weeks, $2$ weeks, $1$ weeks, $3$ weeks, and $0$ week, respectively.

There are currently $50$ units of A in stock, with an additional scheduled receipt of $100$ units in two weeks. There are currently $100$ units of B in stock, with an additional scheduled receipt of $50$ units in two weeks. Customer demand for super widget A over the next seven weeks is as follows: