Product A is made from two components, B and C $.$ It takes one B and three Cs to make a single product $A.$ Component B is made from two part Ds $.$ Component C is made from one part $D$ and $2$ part $E$ : Use this information together with the data below to answer the following questions:

$\backslash$table$[[$Part$,$Lead Time,Lot Size,On$-$Hand,Scheduled Rcpts$.],[$B$,1,$Lot$-$for$-$Lot,$10,$none$],[$C$,2,200,100,$none$],[$D$,1,300,120,$none$],[$E$,2,500,0,500,$ week $1]]$

Part E also has a safety stock quantity of $100$ units.

a$.$ Make MRP records for B$,$ C$,$ D$,$ Production quantities and production start dates for A are: $20$ in week $2,50$ in week $4,30$ in week $6,40$ in week $7,50$ in week $9,$ and $40$ in week $11.$

For this class, make the MRP records for B and C$.$

First draw the Bill of Materials.