Tom and his wife, Mary, separated during 2014. The written separation agreement requires Tom to make payments for the maintenance of Mary and their child. Payments were set at $350 per month for Mary and $250 per month for their child. During 2019 Toms paid $1,800 in March, $2,000 in July and $1,000 in December. How much of the 2019 payments can Tom deduct on his 2019 personal tax return? (Show Calculations)

A. $4,800.

B. $7,200.

C. $1,800.

D. $2,200.