A rm uses components A, B, and C to assemble a nal product F; see the bill of materials in Figure 2.

1. [5 marks] You are required to ll in Table 1 to prepare a master schedule for product F. Each time when the rm assembles the product, the rm always uses the xed lot size rule to make 50 units of F. The rms assembly time for product F is 1 week. The beginning inventory for F is 72 units; the forecast and promised customer orders for this end item are provided in Table 1.

Week	0	1	2	3	4	5	6	7	8
Forecast		30	30	25	25	40	40	30	30
Customer orders (committed)		28	32	20	16	10	5
Projected on-hand inventory	72
Net inventory before MPS
MPS Receipt
MPS Start
Available-to-promise inventory (uncommitted)

Table 1: MPS table for end item F in Question AQ5.

2. [8 marks] Use your master schedule in Table 1 to develop material requirements plans (MRPs) for components A and B. Note that you are required to nish the MRP tablei.e., Table 2 on page 7in which you can nd the present on-hand quantity (i.e., the beginning inventory), lead time, lot-size policy, and scheduled receipts for each of components A and B.

Week	1	2	3	4	5	6	7	8
MPS
Component A	Lot-sizing policy: xed period of two; Lead time: 2 weeks; Present on hand: 68; Scheduled receipts: 100 units in Week 1.
Gross Requirement
Scheduled Receipts
Projected On Hand
Net Requirements
PO Receipts
PO Releases
Component B	Lot-sizing policy: lot-for-lot; Lead time: 2 weeks; Present on hand: 310; Scheduled receipts: 200 units in Week 2.
Gross Requirement
Scheduled Receipts
Projected On Hand
Net Requirements
PO Receipts
PO Releases

Table 2: MRP table for Question AQ5.

F A(2) B(2) B(3) F A(2) B(2) B(3)