Helen was a retired 77-year-old teacher who died in 2022. In 2022, Helen’s pension paid her $45,000 up to her date of death and $13,000 afterward. Which of the following statements best describes Helen’s tax situation for 2022?

a. Her tax liability is reduced to zero due to her death

b. All of her income will be income in respect of a decedent and will be taxed to her estate

c. All of her income will be reported on a Form 1040-X which is the form for deceased taxpayers.

d. She will be required to file a final tax return for 2022 that includes her income and deductions up through the date of her death.