US Citizen Barry Is a Bona Fide Resident of a Foreign

U.S. citizen Barry is a bona fide resident of a foreign country for all of 2018. Barry uses a calendar year as his tax year and receives $158,000 in salary and allowances from his employer. Included in the $158,000 is a $25,000 housing allowance. Barry's housing costs are $30,000. The base housing amount for the current year is $16,624. What amount related to his housing can Barry exclude on his Form 2555?

A) $13,376
B) $25,000
C) $14,545
D) $30,000