The Balance of Trade Is the Difference Between

The balance of trade is the difference between:

A) the most a consumer would be willing to pay for a quantity of a good and what a consumer actually has to pay.
B) the value of a country's merchandise exports and merchandise imports.
C) the lowest price for which a supplier would be willing to supply a quantity of a good or service and the revenues a supplier actually receives for selling it.
D) sales revenue and the costs of production.
E) income and expenditure in the current time period.