Alpha Corporation's Adjusted Taxable Income Is $100,000 for 2018 and $200,000

Alpha Corporation's adjusted taxable income is $100,000 for 2018 and $200,000 for 2019.Alpha makes charitable contributions of $15,000 in 2018 and $19,000 in 2019.How much and from which tac year is Alpha's carry forward for its charitable contributions in computing its 2020 taxable income?

A) $1,000 from 2017
B) $1,000 from 2018
C) $4,000 from 2017
D) $4,000 from 2018