Mr. and Mrs. Chaulk have three dependent children, ages 3, 6, and 9. Assume the taxable year is 2019.

1. Compute their child credit if AGI on their joint return is $88,300.
2. Compute their child credit if AGI on their joint return is $462,700.
3. Compute their child credit if AGI on their joint return is $200,000 and assume that they have one non-child dependent who meets the requirements for the child credit.