Which of the following statements is NOT correct?A.A favourable balance of trade is known as a trade surplus and consists of exporting more than is imported.B.The balance of trade is an important part of the current account of a nation's balance of payment.C.Since 1994. China has maintained favorable trade balance for 15 years in succession.D.Since the mid-1980s, the United States has had a growing surplus in tradeable goods,especially with Asian nations (China and Japan).