Fred, a U.S. citizen, arrives in Country K on July 15, 2016, and proceeds to a construction site in its oil fields. Once there, he moves into employer· provided housing where he is required to reside. Except for brief periods of local travel and the months of July and August 2017, when he is on vacation in the United States, he remains at the site until his departure on December 1, 2018. He provides no services while in the United States. Fred earns $10,000 per month in salary and allowances while employed overseas. In addition, while in Country K, he receives meals and lodging valued at $1,750 per month. What is the amount of Fred's Sec. 911 exclusions for 2016 through 2018?