The balance of payments (bop) measures all international transactions between two countries. the chart below shows six different transactions between the us and china united states china • purchased $800 of goods and services • sent $100 of humanitarian aid • americans spent $200 in chinese stock market • american tourists spend $1000 in china • chinese tourists spend $1000 in the us • purchased $300 of goods and services • chinese purchased a $600 business in the us • chinese government purchased us. bonds a. which country has a trade deficit and which has a trade surplus