The following table lists the components needed to assemble an end item E. The manager wants to know the material requirements for ordered part R that will be needed to complete 120 units of E by the start of week 5 and 100 of Es at the end of week 9. The Manager provided the following information for your convenience. (The end of week X means the begging of the following week).

1. Draw the product structure tree for the End item.

2. The material requirements for ordered Part R that will be needed to complete 120 units of E.

Lead Direct Item Level Time Ordering Method Beg. Scheduled Receipts (units) Inv. Components (LT) Fixed Order M(3), I(2) E 0 1 Quantity (FOQ) = 20 120 M 1 1 Lot-for-Lot (L4L) 30 10 units at the end of week 2, and R(2), P(1) 20 units at the end of week 7 I 1 1 Multiples of 50 40 N(4), R(1) 20 units at the end of week 4, 50 R 2 2 Lot-for-Lot (L4L) 500 units at the end of week 7, week 8 and week 9 respectively P 10 units at the end of week 1 and 2 Lot-for-Lot (L4L) 50 10 units at the end of week 6 N2 80 units at the start of week 4 and 2 Lot-for-Lot (L4L) 30 80 units at the end of week 9 NOTE: Include an extra 10 % scrap allowance in each planned order for M. 2 2 N