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...

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 $100,000.

B.       His AGI is $120,000

C.       His AGI is $122,100, and his daughters are ages 10 and 12.