Please answer this in 20 minutes. I will definitely thanks!

U.S. exports are $600 billion, U.S. imports are $1000 billion. Which of the following are consistent with the level of net exports? a. The U.S has a trade surplus. The U.S. purchases $1000 billion worth of foreign assets and foreign countries purchase $600 billion worth of U.S. assets. b. The U.S. has a trade deficit. The U.S. purchases $600 billion worth of foreign assets and foreign countries purchase $1000 billion worth of U.S. asset. c. The U.S. has a trade surplus. The U.S. purchases $600 billion worth of foreign assets and foreign countries purchase $1000 billion worth of U.S. assets. d. The U.S has a trade deficit. The U.S. purchases $800 billion worth of foreign assets and foreign countries purchase $1000 billion worth of U.S. assets