Benny sells an apartment building. His adjusted basis for regular Income tax purposes is $458,000, and it is $485,000 for AMT purposes. He receives $720,000 from the sale. a. Calculate Benny's gain for regular Income tax purposes. b. Calculate Benny's gain for AMT purposes. c. Calculate any applicable AMT adjustment. a. Gain from sale of building for regular income tax purposes b. Gain from sale of building for AMT purposes c. AMT adjustment Negative