According to the calculations, $ 3200 of the rebate is taxable.
Given that Carol is an unmarried mother of two dependent children, and she received a $ 4,200 recovery rebate in 2021, to determine how much of the rebate is taxable if she has a $ 1,000 tax liability, the following calculation must be performed:
Therefore, $ 3200 of the rebate is taxable.
Learn more about rebates in https://brainly.com/question/26062859