B1
B2
B3
B4
Surplus quantity
A1
71
150
357
120
600
A2
100
267
66
60
800
A3
40
45
222
23
1200
Shortage quantity
300
500
1000
800
|
| B1 | B2 | B3 | B4 | Surplus quantity |
| A1 | 71 | 150 | 357 | 120 | 600 |
| A2 | 100 | 267 | 66 | 60 | 800 |
| A3 | 40 | 45 | 222 | 23 | 1200 |
| Shortage quantity | 300 | 500 | 1000 | 800 |
|