Norma, a widow, has made lifetime gifts to her two grandchildren in an effort to reduce the size of her gross estate. In 2012, Norma made a $100,000 taxable gift. She made another $150,000 taxable gift in 2014. She used her gift tax applicable credit amount to offset any gift tax liability for all gifts.

What amount of gift tax applicable credit remains available to Norma in 2021?

A)

$4,555,000

B)

$4,557,800

C)

$70,800

D)

$1,587,700