Bigna contributed $600,000 cash to qualified public charities this year. Her AGI was $814,000. Which of the following statements istrue?

Group of answer choices

• Bigna's charitable contribution deduction is limited to $488,400, and she has a $111,600 contribution carryover to future years.

• Bigna's charitable contribution deduction is $360,000.

• Bigna's charitable contribution deduction is limited to $488,400. The $111,600 nondeductible amount will never result in a tax benefit.

• Bigna's charitable contribution deduction is $600,000.