lena is 66 years of age, single, and is not claimed as a dependent. How much gross income must she have before she is required to file a federal income tax return for 2020?

Answer:

A single individual and elderly person over age 65 that has gross income equals or lesser than, the Standard deduction + additional standard deduction for age, will not be required to file income tax return for 2020.

For 2020 standard deduction for single = $12,400

+ Addl. Standard deduction for Age       =      $1,650

Total gross income = $14,050