Under a court-ordered decree of separate maintenance executed in 2014, Rebecca is required to pay her ex-husband, Carl, $4,750 a month until their youngest son turns age 18. At that time, the required payments are reduced to $2,100 per month. How much of each payment is deductible by Rebecca as alimony for 2014? $6,850. $4,750. $2,100. $0.