Trey claims a dependency exemption for both of his daughters, ages 14 and 17, at year-end. Trey files a joint return with his wife. What amount of child credit will Trey be able to claim for his daughters under each of the following alternative situations?

a. His AGI is $104,000. Amount of child tax credit _____

b. His AGI is $125,300. Amount of child tax credit _____

c. His AGI is $130,600, and his daughters are ages 10 and 12. Amount of child tax credit _____