Under a court-ordered decree of separate maintenance executed in 2017, Pillar is required to pay her ex-husband, Miguel, $4,750 alimony per month and also child support of $2,100 per month until the child turns age 18. How much of each payment is deductible by Pillar as alimony for 2020?

A) $2,100.

B) $4,750.

C) $6,850.

D) $0.