Determine the child credit amount under each of the following independent situation. You must show computations to receive full credit

a. Johnathan and Naomi are married, file a joint return, and have one 6-year-old child. Their adjusted gross income is $436,000. What is their child tax credit for the current year?

b. If Jonathan and Naomi had a 2-year-old as well as the 6-year-old and an 18-year-old from Jonathans first marriage, what would their total child tax credit and other dependent credit be for the current year?

c. In b. above, how many children qualify for the child tax credit? Explain.