A $50 Billion Balance in the U

A $50 billion balance in the U.S. capital account indicates that, on net over the course of the year:

A) $50 billion was spent by U.S. investors on foreign assets.
B) there was a $50 billion increase in foreign indebtedness to the U.S. government.
C) U.S. investors spent $50 billion more on foreign assets than foreign investors spent on U.S. assets.
D) foreign investors spent $50 billion more on U.S. assets than U.S. investors spent on foreign assets.