If U. S. net exports are negative, then net capital outflow is: a. negative, so foreign assets bought by Americans are greater than American assets bought by foreigners.
b. negative, so American assets bought by foreigners are greater than foreign assets bought by Americans.
c. positive, so American assets bought by foreigners are greater than foreign assets bought by Americans.
d. positive, so foreign assets bought by Americans are greater than American assets bought by foreigners