1 Check my work What is the AGI limit above which each of the following taxpayers would not be eligible to receive a credit for the elderly or the disabled? 60 AGI Upper points Limit Skipped a. A single taxpayer eligible for the credit who receives $2,200 of nontaxable social security benefits. eBook References b. Taxpayers filing a joint return for which one taxpayer is eligible for the credit and the taxpayers have received no social security benefits. c. Taxpayers filing a joint return, and both are eligible for the credit and received $4,200 of nontaxable social security benefits.