Examine the summary of the balance of payments of the United States for 2021. Compute and discuss the balance on the current account and its subaccounts. A Summary of the U.S. Balance of Payments for 2021 (in $ billion) Current Account [1] Exports [1.1] Goods [1.2] Services [2] Imports [2.1] Goods [2.2] Services Credits $2,651.0 1,708.0 943.0 [3] Primary income [4] Secondary income Balance on current account [[1]+[2]+[3]+[4]] Capital Account 1,289.9 269.2 2.3 Balance on capital account Financial Account (excluding official reserves) [5] Direct investment 467.2 [6] Portfolio investment 383.9 [6.1] Equity securities -354.1 [6.2] Debt securities 531.3 [6.3] Derivatives, net 206.7 [7] Other investment 606.4 Balance on financial account [[5]+[6]+[7]] 925.2 [8] Statistical discrepancies Overall balance 56.0 Official Reserve Account Source: The U.S. Bureau of Economic Analysis Required: a-1. Compute the balance on the U.S. goods trade. a-2. What does the balance on the U.S. goods trade you computed above represent? a-3. Compute the balance on the U.S. services trade. a-4. What does the balance on the U.S. services trade you computed above represent? a-5. Compute the balance on the U.S. trade in goods and services. a-6. What does the balance on the U.S. trade in goods and services you computed above represent? Complete this question by entering your answers in the tabs below. Required A1 Required A2 Required A3 Required A4 Required A5 Required A6 Compute the balance on the U.S. goods trade. Note: Negative amounts should be indicated by a minus sign. Round your answer to 1 decima billions of dollars (e.g. $4,000,000,000 would be entered as $4).