Which of the following is not a deductible alimony payment for those decrees finalized before $2019?$

Multiple Choice

Payments for child support required by the divorce decree.

Payments for life insurance premiums required by the divorce decree.

Half of the mortgage payment on a home jointly owned with the ex$-$spouse when required by the decree of divorce.

Payments for dental expenses of the ex$-$spouse under terms of the divorce agreement.