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 US. Balance of Payments for 2021 (in $ billion) Pequired: a-1 Compute the balance on the US goods trade. a-2. What does the bolance on the U.S goods trade you computed above represent? a-3. Compute the balance on the US 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. billions of dollars (e.g. $4,000,000,000 would be entered as $4 ). Balance on the U.S. goods trade b-1. Compute the balance on the U.S. primary income. b-2. What does the balance on the US. primary income you computed above mean? c-1. Compute the balance on the U.S, secondary income c-2. What does the balance on the U.S. secondary income you computed above mean? d-1. Compute the balance on the US. current account d-2. What does the balance on the U.S. current account you computed above mean? Complete this question by entering your answers in the tabs below. Compute the balance on the U.S. primary income. Note: Negative amounts should be indicated by a minus sign. Round your answer to 1 decimal places. Enter your answern in bilitions of dollars (e-9, $4,000,000,000 would be entered as $4 )