Which of the following statements describing the alternative minimum tax (AMT) is correct? a. The AMT was enacted in an attempt to limit the ability of taxpayers to engage in questionable tax planning activities. b. The goal of the AMT is to try to ensure that all taxpayers with economic income pay at least some income tax. c. Generally, those taxpayers most concerned about being in AMT are low income taxpayers who elect the standard deduction. d. After the TCJA of 2017 changes, more taxpayers are expected to be in AMT