b-1. Compute the balance on the U.S. primary income. b-2. What does the balance on the U.S. 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 U.S. 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. secondary income. Note: Negative amounts should be indicated by a minus sign. Round your answer to 1 decimal places, Enter bilitions of dollars (e.9. $4,000,000,000 would be entered as $4). b-1. Compute the balance on the U.S. primary income. b-2. What does the balance on the U.S. 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 U.S. 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. billions of dollars (e.9. $4,000,000,000 would be entered as $4 ). 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) b-1. Compute the balance on the U.S. primary income. b-2. What does the balance on the U.S. 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 U.S. 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. current account Note: Negative amounts should be indicated by a minus sign. Do not round intermediate calculations, Round your decimal places. Enter your answers in billons of dollars (e.9. $4,000,000,000 would be entered as $4)