Mr. and Mrs. Chaulk have three dependent children, ages 3, 6, and 9. Assume the taxable year is 2021. Required: a. Compute their child credit if AGI on their joint return is $94,300. b. Compute their child credit if AGI on their joint return is $468,700. c. Compute their child credit if AGI on their joint return is $194,000 and assume that they also have one non-child dependent who meets the requirements for the child credit.