Jack and Donna were divorced in 2015 and have been living apart ever since. The divorce decree required lack to pay Donna $20,000 of alimony each vear for as long as she lived, and $8,000 of child Support each vear until 2029 when their son would turn 21. So he was Supposed to pay a total of $28,000 in 2020, but he only paid her $18.000. What a deadbeat He swears he'll av her the rest as soon as he gets a raise at work. Anyway, how much can he deduct on his 2020 tax return under the tax rules that apply? Zero $8,000 $10,000 $18,000