In terms of the tax formula applicable to individual taxpayers, which, if any, of the following statements iscorrect?

a.In arriving at taxable income, a taxpayer must choose between the standard deduction and the deduction for qualified business income.

b.In arriving at taxable income, a taxpayer must choose between the standard deduction and itemized deductions.

c.The tax formula does not apply if a taxpayer elects to claim the standard deduction.

d.In arriving at AGI, personal and dependency exemptions are subtracted from gross income.

e.None of these choices are correct.