Use the information in the following table to answer the questions about Switzerland's 1992 international transactions Balance of Payments Account Amount $ Merchandise imports 78,893 $ Merchandise exports 78,642 $ Services imports 11,526 $ Services exports 18,734 $ Investment income receipts 28,131 LA Investment income payments 18,691 $ Unilateral transfers -2,977 What is the balance of trade in merchandise? (Note: enter your answer without the dollar sign)