Oceania Buys $100 of Wine from Escudia and Escudia Buys

Multiple Choice

Oceania buys $100 of wine from Escudia and Escudia buys $80 of wool from Oceania.Suppose this is the only trade that these countries do.What are the net exports of Oceania and Escudia,in that order?

A) $80 and $100
B) $-20 and $20
C) $20 and -$20
D) None of the above is correct.