| Basic Variables | x1 | x2 | x3 | x4 | bi |
| 0 | 1 | 0 | 0 | 200 | |
| x4 | 0 | 1 | 0 | 1 | 110 |
| 0 | 1 | −1 | 0 | 30 | |
| x1 | 1 | 1 | 0 | 0 | 50 |