Matthew's divorce decree calls for him to pay his former spouse, Makenzi, $200 a month as child support and $150 a month as alimony. Matthew fails to pay Makenzi in July and December. The divorce decree was finalized on September 1, 2018. The amount Matthew may deduct as alimony paid is __________.

$1,100

$1,500

$1,800

$3,500