Problem $2$:

$$ The forecast for each week is $30$ units.

$$ The starting inventory is $12.$

$$ The production lot size is $70($MPS$)$ when the projected on$-$hand inventory is negative.

$$ Calculate the Projected on$-$hand inventory $($POI$)$

$$ Calculate the Available to Promise $($ATP$)$

Given the following Master Schedule:

WeeWeek CjusCustomer order

$134$

$229$

$328$

$435$

$532$

$633$

$735$

$835$