In: Operations Management
One unit of A is made of two units of B, three units of C, and two units of D. B is composed of one unit of E and two units of F. C is made of two units of F and one unit of D. E is made of two units of D. Items A, C, D, and F have one-week lead times; B and E have lead times of two weeks. Lot-for-lot (L4L) lot sizing is used for Items A, B, C, and D; lots of size 60 and 200 are used for Items E and F, respectively. Item C has an on-hand (beginning) inventory of 10; D has an on-hand inventory of 50; all other items have zero beginning inventory. We are scheduled to receive 20 units of Item E in Week 2; there are no other scheduled receipts.
If 20 units of A are required in Week 8, use the low-level-coded bill-of-materials to find the necessary planned order releases for all components. (Leave no cells blank - be certain to enter "0" wherever required.)
| 
 A  | 
 On Hand  | 
 1  | 
 2  | 
 3  | 
 4  | 
 5  | 
 6  | 
 7  | 
 8  | 
|
| 
 Gross Requirement  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 20  | 
||
| 
 Scheduled Receipts  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
||
| 
 Projected on Hand  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
|
| 
 Net Requirements  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 20  | 
||
| 
 Planned Order Receipts  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 20  | 
||
| 
 Planned Order Releases  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 20  | 
 0  | 
||
| 
 B  | 
 Gross Requirement  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 40  | 
 0  | 
|
| 
 Scheduled Receipts  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
||
| 
 Projected on Hand  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
|
| 
 Net Requirements  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 40  | 
 0  | 
||
| 
 Planned Order Receipts  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 40  | 
 0  | 
||
| 
 Planned Order Releases  | 
 0  | 
 0  | 
 0  | 
 0  | 
 40  | 
 0  | 
 0  | 
 0  | 
||
| 
 C  | 
 Gross Requirement  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 60  | 
 0  | 
|
| 
 Scheduled Receipts  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
||
| 
 Projected on Hand  | 
 10  | 
 10  | 
 10  | 
 10  | 
 10  | 
 10  | 
 10  | 
 0  | 
 0  | 
|
| 
 Net Requirements  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 50  | 
 0  | 
||
| 
 Planned Order Receipts  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 50  | 
 0  | 
||
| 
 Planned Order Releases  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 50  | 
 0  | 
 0  | 
||
| 
 E  | 
 Gross Requirement  | 
 0  | 
 0  | 
 0  | 
 0  | 
 40  | 
 0  | 
 0  | 
 0  | 
|
| 
 Scheduled Receipts  | 
 0  | 
 20  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
||
| 
 Projected on Hand  | 
 0  | 
 0  | 
 20  | 
 20  | 
 20  | 
 40  | 
 40  | 
 40  | 
 40  | 
|
| 
 Net Requirements  | 
 0  | 
 0  | 
 0  | 
 0  | 
 20  | 
 0  | 
 0  | 
 0  | 
||
| 
 Planned Order Receipts  | 
 0  | 
 0  | 
 0  | 
 0  | 
 60  | 
 0  | 
 0  | 
 0  | 
||
| 
 Planned Order Releases  | 
 0  | 
 0  | 
 60  | 
 0  | 
 0  | 
 0  | 
 0  | 
 0  | 
||
| 
 F  | 
 Gross Requirement  | 
 0  | 
 0  | 
 0  | 
 0  | 
 80  | 
 100  | 
 0  | 
 0  | 
|
| 
 Scheduled Receipts  | 
         
    
        
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