1) Mark and Stacy are married, file a joint return, and have one child, age 3. Their combined AGI is $55,000, earned equally between both taxpayers. Mark and Stacy incur $3,500 of child-care expenses during the current year. Mark's employer reimburses him $1,500 under a qualified dependent care assistance plan. What is their child and dependent care credit amount? 2) Marguerite and Joseph are married, file a joint return, and have two dependent children, ages 17 and 10, in 2019. Their modified AGI is $420,300 for 2019. What is their total child tax and other dependent tax credit amount? 3) Annie and Jason are married, have taxable income of $117,000, and file a joint return for 2019. Their alternative minimum taxable income is $149,000. Are they subject to the AMT