The USAir Force Pays a Turkish Citizen $30,000 to Work on on a U.S.base

The U.S.Air Force pays a Turkish citizen $30,000 to work on a U.S.base in Turkey.As a result,

A) U.S.government purchases increase by $30,000;U.S.net exports decrease by $30,000;and U.S.GDP is unaffected.
B) U.S.government purchases increase by $30,000;U.S.net exports are unaffected;and U.S.GDP increases by $30,000.
C) U.S.government purchases,net exports,and GDP are unaffected.
D) U.S.government purchases are unaffected;U.S.net exports decrease by $30,000;and U.S.GDP decreases by $30,000.