A company in panama pays for a u.s. architect to design a factory building. by itself this transaction
a. increases u.s. imports and so decreases the u.s. trade balance.
b. increases u.s. exports and so decreases the u.s. trade balance.
c. increases u.s. exports and so increases the u.s. trade balance.
d. increases u.s. imports and so increases the u.s. trade balance.