The demand for subassembly $Sis90$ units $in$ week $7.$ Each unit $ofS$ requires $2$ units $ofT$ and $1$ unit $ofU.$ Each unit $ofT$ requires $1$ unit $ofV,1$ unit $ofW,$ and $1$ unit $ofx.$ Finally, each unit $ofU$ requires $1$ unit $ofY$ and $3$ units $ofZ.$ One firm manufactures all items. $It$ takes $2$ weeks $to$ make $S,2$ weeks $to$ make $T,2$ weeks $to$ make $U,1$ week $to$ make $V,2$ weeks $to$ make $W,2$ weeks $to$ make $X,2$ weeks $to$ make $Y,$ and $2$ weeks $to$ make $Z.$

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

Construct a gross material requirements plan $(type0if$ the input box $is$ not used$).$