In 2019, Blake incurs $270,000 of mining exploration expenditures and deducts the entire amount for regular income tax purposes. Which of the following statements iscorrect?

a.For AMT purposes, Blake will have a positive adjustment of $243,000 in 2019.

b.Blake will have a negative AMT adjustment of $27,000 in 2023.

c.Over a 10-year period, positive and negative adjustments for mining exploration expenditures will net to zero.

d.Only choices a. and c. are correct.

e.Choices a., b., and c. are correct.