Product A is the end item and is made from 2 units of B and four of C. B is made of 3 units of D and two of E. Product C is made of 2 units of F and two of E. Product A has lead-time of one week. Products B, C and E have lead-times of 2 weeks. Products D and F have a lead-time of 3 weeks.
a. Illustrate bill of material (product structure tree).
b. If 100 units of A are needed in week 10, create MRP planning schedule, specifying when items are to be ordered and received. There are pressently no units of inventory on hand.
If there is positive net requirement in week, backward schedule by lead-time and enter quantity for planned order release which will satisfy net requirement.