Modified Adjusted Gross Income TABLE 9-2 Rates for Retirement Savings Contributions Credit All Other Filing Status Joint Return Applicable Percentage Head of Household Over Not Over Over Not Over Over Not Over $ O $ 0 $28,875 $ 0 $19,250 50% 38,500 $38,500 41,500 64,000 31,125 20,750 20% 28,875 31,125 19,250 20,750 41,500 48,000 32,000 10% 64,000 48,000 32,000 0% Determine the amount of the child tax credit in each of the following cases: Child Tax Credit Allowed a. A single parent with modified AGI of $214,300 and three child(ren). b. A single parent with modified AGI of $80,010 and one child(ren). C. A married couple, filing jointly, with modified AGI of $408,446 and two child(ren)