Question list

The demand for subassembly $S$ is $80$ units in week $7.$ Each unit of $S$ requires $2$ units of $T$ and $1$ unit of $U.$ Each unit of $T$ requires $1$ unit of $V,1$ unit of $W,$ and $2$ units of $x.$ Finally, each unit of $U$ requires $1$ unit of $Y$ and $2$ units of $Z.$ One firm manufactures all items. It takes $2$ weeks to make $S,1$ week to make T$,2$ weeks to make U$,2$ weeks to make V$,3$ weeks to make $W,1$ week to make $x,2$ weeks to make $Y,$ and $1$ week to make $Z.$

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Question $5$

Click the icon to view the product structure and the time$-$phased product structure.

Click the icon to view the on$-$hand inventory.

Suppose that in addition to $80$ units of $S,$ there is also a demand for $30$ units of $U,$ which is a component of $S.$ The $30$ units of $U$ are needed for maintenance purposes. These units are needed in week $6.$ Additionally, a new order has been received for $70$ units of $S$ due in week $8.$ Modify the net material requirements plan to reflect these changes.

Construct a new net material requirements plan $($enter your responses as whole numbers$).$

$\backslash$table$[[$Item$,$Week,$\backslash$table$[[$Lead Time$],[($weeks$)]]],[,,1,2,3,4,5,6,7,8],[s,$Gross req,,,,,,,,,$2],[$On hand,,,,,,,,$],[$Net req,,,,,,,,$],[$Order receipt,,,,,,,,$],[$Order release,,,,,,,,$]]$

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The product structure.

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The time$-$phased product structurla

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$\backslash$table$[[$Item$,\backslash$table$[[$On$-$Hand$],[$Inventory$]],$Item,$\backslash$table$[[$On$-$Hand$],[$Inventory$]]],[$S$,20,W,30],[$T$,20,x,30],[$U$,30,Y,30],[$V$,20,Z,40]]$