Problem 9-48 (LO 9-2) 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? AGI Upper Limit b A single taxpayer eligible for the credit who receives 51,000 of nontaxable social Security belts Taxpayers filing a joint return for which one taxpayer is eligible for the credit and the taxpayers have received no social security benefits Taxpayers fing a joint return and both are eligible for the credit and received $3,000 of nontaxable social secunty benefits C