During the fabrication of new complete dentures, which of the following can be modified to achieve the desired occlusion?
1. The compensating curve.
2. The orientation of the occlusal plane.
3. The cusp inclination.
4. The condylar inclination.

(1) (2) (3)

(1) and (3)

(2) and (4)

(4) only

All of the above.