One unit of A is composed of two units of B and three units of C. Each B is comp
ID: 355687 • Letter: O
Question
One unit of A is composed of two units of B and three units of C. Each B is composed of one unit of F. C is made of one unit of D, one unit of E, and two units of F, ltems A, B, C, and D have 20, 50, 30, and 25 units of on-hand inventory, respectively, Items A, B, and C use lot-for-lot (L4L) as their lot-sizing technique, while D, E, and F requre multiples of 50, 100, and 90, respectively, to be purchased. B has scheduled receipts of 20 units in Period 1. No other scheduled receipts exist. Lead times are one period for Items A, B, and D, and two periods for Items C, E, and F. Gross requirements for A are 20 units in Period 1, 10 units in Period 2, 55 units in Period 6, and 50 units in Period 8 Find the planned order releases for all items (Leave no cells blank be certain to enter "O" wherever required.) Gross requirements ltem A Scheduled receipts OH-20 Projeched LT 1 SS 0 Net requirements available balance Planned order receips Planned order releases Gross requirements Item 8 Scheduled receipts H1 5Projected available balance LT-1 SS Net requinements O LAL Planned order receipts Planned order lease Gross requirements ltem C Scheduled receipts CH 30 LT 2 SS 0 Net requirements Projected available balance Planned order receipts Planned order neleases Gross requirements ltem o Schedued recepts OH 25 LT-1 Projecled available balance SS Net requirements Planned order receipts Planned order releasesExplanation / Answer
MRP table is as follows:
Item: A
OH = 20
LT = 1
SS = 0
Q = L4L
1
2
3
4
5
6
7
8
GR
20
10
0
0
0
55
0
50
SR
PAB
20
NR
0
10
55
50
PORc
10
55
50
PORe
10
55
50
Each unit of A requires two unit of B, GR of B = 2 x (PORe of A)
Item: B
OH = 50
LT = 1
SS = 0
Q = L4L
1
2
3
4
5
6
7
8
GR
20
0
0
0
110
0
100
0
SR
20
PAB
50
50
50
NR
0
60
100
PORc
60
100
PORe
60
100
Each unit of A requires three unit of C, GR of C = 3 x (PORe of A)
Item: C
OH = 30
LT = 2
SS = 0
Q = L4L
1
2
3
4
5
6
7
8
GR
30
0
0
0
165
0
150
0
SR
PAB
30
NR
0
165
150
PORc
165
150
PORe
165
150
Each unit of C requires one unit of D, GR of CD = 1x (PORe of C)
Item: D
OH = 25
LT = 1
SS = 0
Q = 50
1
2
3
4
5
6
7
8
GR
0
0
165
0
150
0
0
0
SR
PAB
25
25
25
10
10
10
10
10
NR
0
140
140
PORc
150
150
PORe
150
150
Each unit of C requires one unit of E, GR of E = 1 x (PORe of C)
Item: E
OH = 0
LT = 2
SS = 0
Q = 100
1
2
3
4
5
6
7
8
GR
0
0
165
0
150
0
0
0
SR
PAB
35
35
85
85
85
NR
165
115
PORc
200
200
PORe
200
200
Each unit of B requires one unit of F and each unit of C requires wo units of F
GR of F = 1 x (PORe of B) + 2 x (PORe of C)
Item: F
OH = 0
LT = 2
SS = 0
Q = 90
1
2
3
4
5
6
7
8
GR
0
0
330
60
300
100
0
0
SR
PAB
30
60
30
NR
330
30
240
70
PORc
360
90
270
90
PORe
360
90
270
90
Item: A
OH = 20
LT = 1
SS = 0
Q = L4L
1
2
3
4
5
6
7
8
GR
20
10
0
0
0
55
0
50
SR
PAB
20
NR
0
10
55
50
PORc
10
55
50
PORe
10
55
50
Each unit of A requires two unit of B, GR of B = 2 x (PORe of A)
Item: B
OH = 50
LT = 1
SS = 0
Q = L4L
1
2
3
4
5
6
7
8
GR
20
0
0
0
110
0
100
0
SR
20
PAB
50
50
50
NR
0
60
100
PORc
60
100
PORe
60
100
Each unit of A requires three unit of C, GR of C = 3 x (PORe of A)
Item: C
OH = 30
LT = 2
SS = 0
Q = L4L
1
2
3
4
5
6
7
8
GR
30
0
0
0
165
0
150
0
SR
PAB
30
NR
0
165
150
PORc
165
150
PORe
165
150
Each unit of C requires one unit of D, GR of CD = 1x (PORe of C)
Item: D
OH = 25
LT = 1
SS = 0
Q = 50
1
2
3
4
5
6
7
8
GR
0
0
165
0
150
0
0
0
SR
PAB
25
25
25
10
10
10
10
10
NR
0
140
140
PORc
150
150
PORe
150
150
Each unit of C requires one unit of E, GR of E = 1 x (PORe of C)
Item: E
OH = 0
LT = 2
SS = 0
Q = 100
1
2
3
4
5
6
7
8
GR
0
0
165
0
150
0
0
0
SR
PAB
35
35
85
85
85
NR
165
115
PORc
200
200
PORe
200
200
Each unit of B requires one unit of F and each unit of C requires wo units of F
GR of F = 1 x (PORe of B) + 2 x (PORe of C)
Item: F
OH = 0
LT = 2
SS = 0
Q = 90
1
2
3
4
5
6
7
8
GR
0
0
330
60
300
100
0
0
SR
PAB
30
60
30
NR
330
30
240
70
PORc
360
90
270
90
PORe
360
90
270
90
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