If Allan Lives in Boston and Decides to Buy a Pair

If Allan lives in Boston and decides to buy a pair of hockey skates from Canada for $100,and the Canadian he bought them from buys a baseball hat and jersey for $100 from Boston,then the U.S.:

A) net exports and net capital outflow are both zero.
B) net exports and net capital outflow both equal -$100.
C) net exports is zero and net capital outflow is -$100.
D) net exports equals -$100 and net capital outflow is zero.