4. Use the information in the following table on Mexico's 1996 international transactions to answer the questions (amounts are U.S. dollar values in millions):

Merchandise imports $89,469

Merchandise exports $96,000

Services exports $10,901

Services imports $10,819

Investment income receipts $4,032

Investment income payments $17,099

Unilateral transfers $4,531

a. What is the balance of trade of Mexico?

b. What is its current account?