isabela is single and turned 72 years old on october 1, 2022. isabela worked as a librarian at the local library and earned wages of $7,500. isabela also received social security benefits of $16,000. she received a taxable pension of $13,000. she retired from her previous job on october 30, 2019. during her career she contributed pretax dollars to a qualified 401(k) retirement plan through her employer. isabela cannot be claimed as a dependent by another taxpayer. isabela is a u.s. citizen with a valid social security number. 9. isabela qualifies to claim the earned income tax credit. true false