Question $1.$ Two orders have been received for $60$ units of Product X$,$ and $100$ units of

Product $Y$ to be delivered at the end of Week $8.$ The respective Bill of Materials $($BOM$)$

for products $x$ and $Y$ are shown in Figures $1$ and $2$ respectively. At the start of Week $1,$

the on$-$hand stock levels are $x=16,Y=24,A=0,B=108,C=45,D=130,$ and $E=170.$ At

the start of the Week $2,$ there are two scheduled receipts: $10$ units for Product X and $20$

units for Product $Y.$ The company would like to use a lot$-$for$-$lot ordering policy $($zero$-$

inventory policy aside from existing inventory$).$ Using the provided format for tables

below, complete the MRP record for each product and component.

I. What is the low level code for each item?

II$.$ What should be the size of each order?

III. When should orders be released for each item?

Table $1$: MRP Record Format