$3\mathrm{.}2.$ End item A has a planned lead time of $2$ weeks. There are currently $120$ units on hand and no scheduled receipts. Compute the planned order releases using lot$-$for$-$lot and the MPS shown here:

$\backslash$table$[[$Week$,1,2,3,4,5,6,7,8,9,10],[$Demand$,41,44,84,42,84,86,7,18,49,30]]$

$3\mathrm{.}5.$ Rework Problem $2$ with $50$ units of safety stock. What is different from Problem $2?$