Factors that can cause the adjusted basis for AMT purposes to be different from the adjusted basis for regular income tax purposes include:

Factors that can cause the adjusted basis for AMT purposes to be different from the adjusted basis for regular income tax purposes include:

A different amount of depreciation has been deducted for AMT purposes and regular income tax purposes.

The spread on an incentive stock option (ISO) is recognized for AMT purposes, but is not recognized for regular income tax purposes.

A different amount has been deducted for circulation expenditures for AMT purposes and for regular income tax purposes.

Only a. and b.

a., b., and c.