Trey has two dependents, his daughters, ages 14 and 18, at year-end. Trey files a joint return with his wife. What amount of child tax credit (either as a child or a qualifying dependent) will Trey be able to claim in 2021 for his daughters under each of the following alternative situations? Use Exhibit 8-8. a. His AGI is $105,400. Amount of child tax credit b. His AGI is $424,000. Amount of child tax credit c. His AGI is $430,800, and his daughters are ages 10 and 12. Amount of child tax credit EXHIBIT 8-8 Child Tax Credit Phase-Out Threshold Filing Status Phase-Out Threshold $400,000 Married filing jointly Married filing separately Head of household and single 200,000 200,000